Implement fs module (#3)

* Implements the fs module

* Add stats object

* Add not implemented to createWriteStream

* Update mkdtemp to use tmp dir

* Unexport Stats

* Add client web socket for commands and restructure

packages/protocol/test/helpers.ts

@@ -0,0 +1,28 @@
+import { Emitter } from "@coder/events";
+import { Client } from "../src/browser/client";
+import { Server } from "../src/node/server";
+
+export const createClient = (): Client => {
+	const s2c = new Emitter<Uint8Array | Buffer>();
+	const c2s = new Emitter<Uint8Array | Buffer>();
+
+	new Server({
+		close: () => undefined,
+		onClose: () => undefined,
+		onMessage: (cb) => {
+			c2s.event((d) => cb(d));
+		},
+		send: (data) => setTimeout(() => s2c.emit(data), 0),
+	});
+
+	const client = new Client({
+		close: () => undefined,
+		onClose: () => undefined,
+		onMessage: (cb) => {
+			s2c.event((d) => cb(d));
+		},
+		send: (data) => setTimeout(() => c2s.emit(data), 0),
+	});
+
+	return client;
+};