Index: node_modules/d3-fetch/dist/d3-fetch.js
===================================================================
--- node_modules/d3-fetch/dist/d3-fetch.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-fetch/dist/d3-fetch.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,100 @@
+// https://d3js.org/d3-fetch/ v3.0.1 Copyright 2016-2021 Mike Bostock
+(function (global, factory) {
+typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-dsv')) :
+typeof define === 'function' && define.amd ? define(['exports', 'd3-dsv'], factory) :
+(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {}, global.d3));
+}(this, (function (exports, d3Dsv) { 'use strict';
+
+function responseBlob(response) {
+  if (!response.ok) throw new Error(response.status + " " + response.statusText);
+  return response.blob();
+}
+
+function blob(input, init) {
+  return fetch(input, init).then(responseBlob);
+}
+
+function responseArrayBuffer(response) {
+  if (!response.ok) throw new Error(response.status + " " + response.statusText);
+  return response.arrayBuffer();
+}
+
+function buffer(input, init) {
+  return fetch(input, init).then(responseArrayBuffer);
+}
+
+function responseText(response) {
+  if (!response.ok) throw new Error(response.status + " " + response.statusText);
+  return response.text();
+}
+
+function text(input, init) {
+  return fetch(input, init).then(responseText);
+}
+
+function dsvParse(parse) {
+  return function(input, init, row) {
+    if (arguments.length === 2 && typeof init === "function") row = init, init = undefined;
+    return text(input, init).then(function(response) {
+      return parse(response, row);
+    });
+  };
+}
+
+function dsv(delimiter, input, init, row) {
+  if (arguments.length === 3 && typeof init === "function") row = init, init = undefined;
+  var format = d3Dsv.dsvFormat(delimiter);
+  return text(input, init).then(function(response) {
+    return format.parse(response, row);
+  });
+}
+
+var csv = dsvParse(d3Dsv.csvParse);
+var tsv = dsvParse(d3Dsv.tsvParse);
+
+function image(input, init) {
+  return new Promise(function(resolve, reject) {
+    var image = new Image;
+    for (var key in init) image[key] = init[key];
+    image.onerror = reject;
+    image.onload = function() { resolve(image); };
+    image.src = input;
+  });
+}
+
+function responseJson(response) {
+  if (!response.ok) throw new Error(response.status + " " + response.statusText);
+  if (response.status === 204 || response.status === 205) return;
+  return response.json();
+}
+
+function json(input, init) {
+  return fetch(input, init).then(responseJson);
+}
+
+function parser(type) {
+  return (input, init) => text(input, init)
+    .then(text => (new DOMParser).parseFromString(text, type));
+}
+
+var xml = parser("application/xml");
+
+var html = parser("text/html");
+
+var svg = parser("image/svg+xml");
+
+exports.blob = blob;
+exports.buffer = buffer;
+exports.csv = csv;
+exports.dsv = dsv;
+exports.html = html;
+exports.image = image;
+exports.json = json;
+exports.svg = svg;
+exports.text = text;
+exports.tsv = tsv;
+exports.xml = xml;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));