Add sidebar menu for the new content
move the codelab wiki
add yaml to codelab md
move faq from wiki
add yaml to faq md
move generators from wiki
add yaml to generators md file
move getting started from wiki
add yaml to getting started md file
move homepage from wiki
move migrate from wiki
add yaml to migrate md and update links in index
move road to 1.0 from wiki
add yaml to road md and update link in index file
move roadmap from wiki
add yaml to roadmap md file
move support from wiki
add yaml to support md file
move wiki docs to site docs
add yaml to docs from wiki and update more links