- Use whateverEmitter.event for the onWhatever methods.
- Add readonly to a bunch of things.
- Remove some redundancy in types.
- Move initializations out of the constructor and into the declarations
  where it was reasonable to do so.
- Disable a few no-any violations.

It's not actually used anymore.

Also made a rule for it.

* 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