Rev2 of Github Pages Landing Page (#859)

* Rev2 of Github Pages Landing Page

- Generate `index.md` instead so it works directly with Jekyll
- Fix some bugs in table generation and generate a narrower table that doesn't need side-to-side scrolling

* Fix trailing whitespace in generated markdown

* Cleanup generated markdown

* fix aws-config link

Co-authored-by: Zelda Hessler <zelda.hessler@pm.me>