Index: frontend/node_modules/react-is/umd/react-is.development.js
===================================================================
--- frontend/node_modules/react-is/umd/react-is.development.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/react-is/umd/react-is.development.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,225 @@
+/** @license React v17.0.2
+ * react-is.development.js
+ *
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (global = global || self, factory(global.ReactIs = {}));
+}(this, (function (exports) { 'use strict';
+
+  // ATTENTION
+  // When adding new symbols to this file,
+  // Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols'
+  // The Symbol used to tag the ReactElement-like types. If there is no native Symbol
+  // nor polyfill, then a plain number is used for performance.
+  var REACT_ELEMENT_TYPE = 0xeac7;
+  var REACT_PORTAL_TYPE = 0xeaca;
+  var REACT_FRAGMENT_TYPE = 0xeacb;
+  var REACT_STRICT_MODE_TYPE = 0xeacc;
+  var REACT_PROFILER_TYPE = 0xead2;
+  var REACT_PROVIDER_TYPE = 0xeacd;
+  var REACT_CONTEXT_TYPE = 0xeace;
+  var REACT_FORWARD_REF_TYPE = 0xead0;
+  var REACT_SUSPENSE_TYPE = 0xead1;
+  var REACT_SUSPENSE_LIST_TYPE = 0xead8;
+  var REACT_MEMO_TYPE = 0xead3;
+  var REACT_LAZY_TYPE = 0xead4;
+  var REACT_BLOCK_TYPE = 0xead9;
+  var REACT_SERVER_BLOCK_TYPE = 0xeada;
+  var REACT_FUNDAMENTAL_TYPE = 0xead5;
+  var REACT_SCOPE_TYPE = 0xead7;
+  var REACT_OPAQUE_ID_TYPE = 0xeae0;
+  var REACT_DEBUG_TRACING_MODE_TYPE = 0xeae1;
+  var REACT_OFFSCREEN_TYPE = 0xeae2;
+  var REACT_LEGACY_HIDDEN_TYPE = 0xeae3;
+
+  if (typeof Symbol === 'function' && Symbol.for) {
+    var symbolFor = Symbol.for;
+    REACT_ELEMENT_TYPE = symbolFor('react.element');
+    REACT_PORTAL_TYPE = symbolFor('react.portal');
+    REACT_FRAGMENT_TYPE = symbolFor('react.fragment');
+    REACT_STRICT_MODE_TYPE = symbolFor('react.strict_mode');
+    REACT_PROFILER_TYPE = symbolFor('react.profiler');
+    REACT_PROVIDER_TYPE = symbolFor('react.provider');
+    REACT_CONTEXT_TYPE = symbolFor('react.context');
+    REACT_FORWARD_REF_TYPE = symbolFor('react.forward_ref');
+    REACT_SUSPENSE_TYPE = symbolFor('react.suspense');
+    REACT_SUSPENSE_LIST_TYPE = symbolFor('react.suspense_list');
+    REACT_MEMO_TYPE = symbolFor('react.memo');
+    REACT_LAZY_TYPE = symbolFor('react.lazy');
+    REACT_BLOCK_TYPE = symbolFor('react.block');
+    REACT_SERVER_BLOCK_TYPE = symbolFor('react.server.block');
+    REACT_FUNDAMENTAL_TYPE = symbolFor('react.fundamental');
+    REACT_SCOPE_TYPE = symbolFor('react.scope');
+    REACT_OPAQUE_ID_TYPE = symbolFor('react.opaque.id');
+    REACT_DEBUG_TRACING_MODE_TYPE = symbolFor('react.debug_trace_mode');
+    REACT_OFFSCREEN_TYPE = symbolFor('react.offscreen');
+    REACT_LEGACY_HIDDEN_TYPE = symbolFor('react.legacy_hidden');
+  }
+
+  // Filter certain DOM attributes (e.g. src, href) if their values are empty strings.
+
+  var enableScopeAPI = false; // Experimental Create Event Handle API.
+
+  function isValidElementType(type) {
+    if (typeof type === 'string' || typeof type === 'function') {
+      return true;
+    } // Note: typeof might be other than 'symbol' or 'number' (e.g. if it's a polyfill).
+
+
+    if (type === REACT_FRAGMENT_TYPE || type === REACT_PROFILER_TYPE || type === REACT_DEBUG_TRACING_MODE_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || type === REACT_LEGACY_HIDDEN_TYPE || enableScopeAPI ) {
+      return true;
+    }
+
+    if (typeof type === 'object' && type !== null) {
+      if (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_BLOCK_TYPE || type[0] === REACT_SERVER_BLOCK_TYPE) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  function typeOf(object) {
+    if (typeof object === 'object' && object !== null) {
+      var $$typeof = object.$$typeof;
+
+      switch ($$typeof) {
+        case REACT_ELEMENT_TYPE:
+          var type = object.type;
+
+          switch (type) {
+            case REACT_FRAGMENT_TYPE:
+            case REACT_PROFILER_TYPE:
+            case REACT_STRICT_MODE_TYPE:
+            case REACT_SUSPENSE_TYPE:
+            case REACT_SUSPENSE_LIST_TYPE:
+              return type;
+
+            default:
+              var $$typeofType = type && type.$$typeof;
+
+              switch ($$typeofType) {
+                case REACT_CONTEXT_TYPE:
+                case REACT_FORWARD_REF_TYPE:
+                case REACT_LAZY_TYPE:
+                case REACT_MEMO_TYPE:
+                case REACT_PROVIDER_TYPE:
+                  return $$typeofType;
+
+                default:
+                  return $$typeof;
+              }
+
+          }
+
+        case REACT_PORTAL_TYPE:
+          return $$typeof;
+      }
+    }
+
+    return undefined;
+  }
+  var ContextConsumer = REACT_CONTEXT_TYPE;
+  var ContextProvider = REACT_PROVIDER_TYPE;
+  var Element = REACT_ELEMENT_TYPE;
+  var ForwardRef = REACT_FORWARD_REF_TYPE;
+  var Fragment = REACT_FRAGMENT_TYPE;
+  var Lazy = REACT_LAZY_TYPE;
+  var Memo = REACT_MEMO_TYPE;
+  var Portal = REACT_PORTAL_TYPE;
+  var Profiler = REACT_PROFILER_TYPE;
+  var StrictMode = REACT_STRICT_MODE_TYPE;
+  var Suspense = REACT_SUSPENSE_TYPE;
+  var hasWarnedAboutDeprecatedIsAsyncMode = false;
+  var hasWarnedAboutDeprecatedIsConcurrentMode = false; // AsyncMode should be deprecated
+
+  function isAsyncMode(object) {
+    {
+      if (!hasWarnedAboutDeprecatedIsAsyncMode) {
+        hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint
+
+        console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
+      }
+    }
+
+    return false;
+  }
+  function isConcurrentMode(object) {
+    {
+      if (!hasWarnedAboutDeprecatedIsConcurrentMode) {
+        hasWarnedAboutDeprecatedIsConcurrentMode = true; // Using console['warn'] to evade Babel and ESLint
+
+        console['warn']('The ReactIs.isConcurrentMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
+      }
+    }
+
+    return false;
+  }
+  function isContextConsumer(object) {
+    return typeOf(object) === REACT_CONTEXT_TYPE;
+  }
+  function isContextProvider(object) {
+    return typeOf(object) === REACT_PROVIDER_TYPE;
+  }
+  function isElement(object) {
+    return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
+  }
+  function isForwardRef(object) {
+    return typeOf(object) === REACT_FORWARD_REF_TYPE;
+  }
+  function isFragment(object) {
+    return typeOf(object) === REACT_FRAGMENT_TYPE;
+  }
+  function isLazy(object) {
+    return typeOf(object) === REACT_LAZY_TYPE;
+  }
+  function isMemo(object) {
+    return typeOf(object) === REACT_MEMO_TYPE;
+  }
+  function isPortal(object) {
+    return typeOf(object) === REACT_PORTAL_TYPE;
+  }
+  function isProfiler(object) {
+    return typeOf(object) === REACT_PROFILER_TYPE;
+  }
+  function isStrictMode(object) {
+    return typeOf(object) === REACT_STRICT_MODE_TYPE;
+  }
+  function isSuspense(object) {
+    return typeOf(object) === REACT_SUSPENSE_TYPE;
+  }
+
+  exports.ContextConsumer = ContextConsumer;
+  exports.ContextProvider = ContextProvider;
+  exports.Element = Element;
+  exports.ForwardRef = ForwardRef;
+  exports.Fragment = Fragment;
+  exports.Lazy = Lazy;
+  exports.Memo = Memo;
+  exports.Portal = Portal;
+  exports.Profiler = Profiler;
+  exports.StrictMode = StrictMode;
+  exports.Suspense = Suspense;
+  exports.isAsyncMode = isAsyncMode;
+  exports.isConcurrentMode = isConcurrentMode;
+  exports.isContextConsumer = isContextConsumer;
+  exports.isContextProvider = isContextProvider;
+  exports.isElement = isElement;
+  exports.isForwardRef = isForwardRef;
+  exports.isFragment = isFragment;
+  exports.isLazy = isLazy;
+  exports.isMemo = isMemo;
+  exports.isPortal = isPortal;
+  exports.isProfiler = isProfiler;
+  exports.isStrictMode = isStrictMode;
+  exports.isSuspense = isSuspense;
+  exports.isValidElementType = isValidElementType;
+  exports.typeOf = typeOf;
+
+})));
Index: frontend/node_modules/react-is/umd/react-is.production.min.js
===================================================================
--- frontend/node_modules/react-is/umd/react-is.production.min.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/react-is/umd/react-is.production.min.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,14 @@
+/** @license React v17.0.2
+ * react-is.production.min.js
+ *
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+(function(){'use strict';(function(b,d){"object"===typeof exports&&"undefined"!==typeof module?d(exports):"function"===typeof define&&define.amd?define(["exports"],d):(b=b||self,d(b.ReactIs={}))})(this,function(b){function d(a){if("object"===typeof a&&null!==a){var b=a.$$typeof;switch(b){case q:switch(a=a.type,a){case e:case f:case g:case h:case t:return a;default:switch(a=a&&a.$$typeof,a){case k:case l:case m:case n:case p:return a;default:return b}}case r:return b}}}var q=60103,r=60106,e=60107,g=60108,f=60114,
+p=60109,k=60110,l=60112,h=60113,t=60120,n=60115,m=60116,u=60121,v=60122,w=60117,x=60129,y=60131;if("function"===typeof Symbol&&Symbol.for){var c=Symbol.for;q=c("react.element");r=c("react.portal");e=c("react.fragment");g=c("react.strict_mode");f=c("react.profiler");p=c("react.provider");k=c("react.context");l=c("react.forward_ref");h=c("react.suspense");t=c("react.suspense_list");n=c("react.memo");m=c("react.lazy");u=c("react.block");v=c("react.server.block");w=c("react.fundamental");x=c("react.debug_trace_mode");
+y=c("react.legacy_hidden")}b.ContextConsumer=k;b.ContextProvider=p;b.Element=q;b.ForwardRef=l;b.Fragment=e;b.Lazy=m;b.Memo=n;b.Portal=r;b.Profiler=f;b.StrictMode=g;b.Suspense=h;b.isAsyncMode=function(a){return!1};b.isConcurrentMode=function(a){return!1};b.isContextConsumer=function(a){return d(a)===k};b.isContextProvider=function(a){return d(a)===p};b.isElement=function(a){return"object"===typeof a&&null!==a&&a.$$typeof===q};b.isForwardRef=function(a){return d(a)===l};b.isFragment=function(a){return d(a)===
+e};b.isLazy=function(a){return d(a)===m};b.isMemo=function(a){return d(a)===n};b.isPortal=function(a){return d(a)===r};b.isProfiler=function(a){return d(a)===f};b.isStrictMode=function(a){return d(a)===g};b.isSuspense=function(a){return d(a)===h};b.isValidElementType=function(a){return"string"===typeof a||"function"===typeof a||a===e||a===f||a===x||a===g||a===h||a===t||a===y||"object"===typeof a&&null!==a&&(a.$$typeof===m||a.$$typeof===n||a.$$typeof===p||a.$$typeof===k||a.$$typeof===l||a.$$typeof===
+w||a.$$typeof===u||a[0]===v)?!0:!1};b.typeOf=d});
+})();