Changed 'index.html' to mirror the newly added JavaScript.
Updated the different 'game' modules.
Removed 'app.game.data.js', as it is no longer needed. (Using an API instead.)
Changed styles to mirror the recently added 'add' functionality.
Changed 'main.js' to mirror the recently added 'add' functionality, and to better work with the new API functionality.
Added others code to git.
Removed 'showhide', as it's no longer needed.