Rename `start-sly-server` to `sly-start-server`. Add `stop-sly-server`. It will always try to stop a server running on port 4005 (default port used by `sly-start-server`)
Rename `start-sly-server` to `sly-start-server`. Add `stop-sly-server`. It will always try to stop a server running on port 4005 (default port used by `sly-start-server`)