* Relocate ansible-only sanity tests.
* Get "code smell" sanity tests from multiple dirs.
- `test/lib/ansible_test/_data/sanity/code-smell/` - General purpose tests used for both Ansible and Ansible Collections.
- `test/sanity/code-smell/` - Tests specific to Ansible, will not be used for Ansible Collections.
* orphans testing pages to avoid not-in-toctree errors
* orphans various pages pending reorg
* adds module_utils and special_vars to main TOC
* uses a glob for scenario_guide TOC
* normalize and Sentence-case headings on community pages, typos
* re-orgs community TOC, adds all pages to toctree
* removes scenario guides index page
* adds style guide to community index
* basic update to style guide
* fix typo that created a new error
* removes not-in-toctree from ignore errors list
* leave removing files for future cleanup task
* should not need <>, but fails without
* adds anchor to keywords page, uses it on plugins pages
* fixes envvar link errors
* harmonize file name and ref name as python_3
* removes undefined-lable from ignore list
