Add how to contribute guides
Merge pull request #188 from SBoudrias/contributing

Add how to contribute guides
Add basic new site files
Add links, layout pages, and setup new documentation pages
Integrate home page
Fix link clicking and code block styling
Fix contribute to documentation CTA styles
Reindent CSS for consistency
Style generators lists
Added RSS feed icon to footer.
Add active state to menu and sidebar links
Update/cleanup config to better match github pages API
Reorganize learning topics folder structure