docs!: Docs information architecture refactor (#97)

* docs: RFP for docs IA update project

* continue work on draft

* finish first draft

* copy edits

* draft implementation of NZ feedback

* update w NZ feedback about sidebar

* move submit PR page up in TOC

* Add architecture, set up, and testing to contributor section

* Add note abt moving core rule content

* fix ordering error in readme

* Add code of conduct

* add sing CLA content to PR page

* line abt integrator persona

* Apply suggestions from code review

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

* Update README.md

* update url paths to TSC decision of verbs

* copy edits

* Apply suggestions from code review

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

* Apply suggestions from code review

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

* implement feedback

* Fix community contributor -> contribute to eslint

* copy edits

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>