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/src/proto/index.ts

@@ -0,0 +1,3 @@
+export * from "./client_pb";
+export * from "./command_pb";
+export * from "./node_pb";