Add restore option

This update adds a clean and restore option to the workflow. This simply deletes the existing version of js2coffee and installs the latest from npm. I also tweaked how the binary is executed in the main workflow script.

Update binary

fix: add npm install to script.

should fix #1

v1.1: fix: add npm install to script.

Fixes #1

First release!

The initial commit and first working version.