* Followup to docs refactor pull request #36067 - fixes gitignore and cleanup in makefile; removes some generated files; moves a straggler to the appropriate subdirectory.
* Fixed some stragglers
* Removed redundant module entries
* Delete generated RST files.
* Docs refactor as outlined in https://github.com/ansible/proposals/issues/79. Moves content into 'guides'; refactors TOC; fixes CSS; design tweaks to layout and CSS; fixes generated plugin, CLI and module docs to fix links accodingly; more.
* Adding extra blank line for shippable
