Index: frontend/node_modules/yocto-queue/index.d.ts
===================================================================
--- frontend/node_modules/yocto-queue/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/yocto-queue/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,56 @@
+declare class Queue<ValueType> implements Iterable<ValueType> {
+	/**
+	The size of the queue.
+	*/
+	readonly size: number;
+
+	/**
+	Tiny queue data structure.
+
+	The instance is an [`Iterable`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols), which means you can iterate over the queue front to back with a “for…of” loop, or use spreading to convert the queue to an array. Don't do this unless you really need to though, since it's slow.
+
+	@example
+	```
+	import Queue = require('yocto-queue');
+
+	const queue = new Queue();
+
+	queue.enqueue('🦄');
+	queue.enqueue('🌈');
+
+	console.log(queue.size);
+	//=> 2
+
+	console.log(...queue);
+	//=> '🦄 🌈'
+
+	console.log(queue.dequeue());
+	//=> '🦄'
+
+	console.log(queue.dequeue());
+	//=> '🌈'
+	```
+	*/
+	constructor();
+
+	[Symbol.iterator](): IterableIterator<ValueType>;
+
+	/**
+	Add a value to the queue.
+	*/
+	enqueue(value: ValueType): void;
+
+	/**
+	Remove the next value in the queue.
+
+	@returns The removed value or `undefined` if the queue is empty.
+	*/
+	dequeue(): ValueType | undefined;
+
+	/**
+	Clear the queue.
+	*/
+	clear(): void;
+}
+
+export = Queue;