post-release v1.0.0 finalization
Add a license

Update keymaps
Add rebuild jsduck shortcut

Make gearbox references easy to remove in snippets.
Change line snippets tabTrigger from //// to dashes

docs:
add TOC
add ruby2.0+ prerequisite
Improve installation instructions
Add OSX shortcuts
fix typos
add snippet snippets
Fix layout of the documentation

Add snippet snippets
Proper code blocks
Add JSDocs to Snippets