Add sidebar menu for the new content
Add how to contribute guides
markdown spacing for lists correction
Remove old writing a generator doc
Update/cleanup config to better match github pages API
Reorganize learning topics folder structure
Setup contributing section on new site
Improvement to the page header (mobile and buggy code)
Add links to homepage and remove whyyeoman duplicated page (now content is on homepage)
Add 404 page
Style blogs meta pages
Fix getting started title and update the FAQ
Update home page content and add section to the support page
Fix markup bug in the codelab
Some codelab CSS tweaks after markdown rendering issue was resolved.