Index: frontend/node_modules/p-retry/index.d.ts
===================================================================
--- frontend/node_modules/p-retry/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/p-retry/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,106 @@
+import {OperationOptions} from 'retry';
+
+declare class AbortErrorClass extends Error {
+	readonly name: 'AbortError';
+	readonly originalError: Error;
+
+	/**
+	Abort retrying and reject the promise.
+
+	@param message - Error message or custom error.
+	*/
+	constructor(message: string | Error);
+}
+
+declare namespace pRetry {
+	interface FailedAttemptError extends Error {
+		readonly attemptNumber: number;
+		readonly retriesLeft: number;
+	}
+
+	interface Options extends OperationOptions {
+		/**
+		Callback invoked on each retry. Receives the error thrown by `input` as the first argument with properties `attemptNumber` and `retriesLeft` which indicate the current attempt number and the number of attempts left, respectively.
+
+		The `onFailedAttempt` function can return a promise. For example, to add a [delay](https://github.com/sindresorhus/delay):
+
+		```
+		import pRetry = require('p-retry');
+		import delay = require('delay');
+
+		const run = async () => { ... };
+
+		(async () => {
+			const result = await pRetry(run, {
+				onFailedAttempt: async error => {
+					console.log('Waiting for 1 second before retrying');
+					await delay(1000);
+				}
+			});
+		})();
+		```
+
+		If the `onFailedAttempt` function throws, all retries will be aborted and the original promise will reject with the thrown error.
+		*/
+		readonly onFailedAttempt?: (error: FailedAttemptError) => void | Promise<void>;
+	}
+
+	type AbortError = AbortErrorClass;
+}
+
+declare const pRetry: {
+	/**
+	Returns a `Promise` that is fulfilled when calling `input` returns a fulfilled promise. If calling `input` returns a rejected promise, `input` is called again until the max retries are reached, it then rejects with the last rejection reason.
+
+	Does not retry on most `TypeErrors`, with the exception of network errors. This is done on a best case basis as different browsers have different [messages](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch#Checking_that_the_fetch_was_successful) to indicate this. 
+	See [whatwg/fetch#526 (comment)](https://github.com/whatwg/fetch/issues/526#issuecomment-554604080)
+
+	@param input - Receives the number of attempts as the first argument and is expected to return a `Promise` or any value.
+	@param options - Options are passed to the [`retry`](https://github.com/tim-kos/node-retry#retryoperationoptions) module.
+
+	@example
+	```
+	import pRetry = require('p-retry');
+	import fetch from 'node-fetch';
+
+	const run = async () => {
+		const response = await fetch('https://sindresorhus.com/unicorn');
+
+		// Abort retrying if the resource doesn't exist
+		if (response.status === 404) {
+			throw new pRetry.AbortError(response.statusText);
+		}
+
+		return response.blob();
+	};
+
+	(async () => {
+		console.log(await pRetry(run, {retries: 5}));
+
+		// With the `onFailedAttempt` option:
+		const result = await pRetry(run, {
+			onFailedAttempt: error => {
+				console.log(`Attempt ${error.attemptNumber} failed. There are ${error.retriesLeft} retries left.`);
+				// 1st request => Attempt 1 failed. There are 4 retries left.
+				// 2nd request => Attempt 2 failed. There are 3 retries left.
+				// …
+			},
+			retries: 5
+		});
+
+		console.log(result);
+	})();
+	```
+	*/
+	<T>(
+		input: (attemptCount: number) => PromiseLike<T> | T,
+		options?: pRetry.Options
+	): Promise<T>;
+
+	AbortError: typeof AbortErrorClass;
+
+	// TODO: remove this in the next major version
+	default: typeof pRetry;
+};
+
+export = pRetry;