Add meeting guidelines, graphic
Update embedded image
Use raw HTML for image link
Edit path
Indent list items
minor edits
Add line breaks for indentation
Add bolding
Add section for meetings
Feedback from jimangel
* Add info about requesting access
This includes how to get a sponsor, how to be a sponsor,
how to become a reviewer, approver, and website admin.
* Address feedback
* Reorganize docs contrib guide
* Address first round of feedback from Brad, Jared
* Standardize on 'SIG Docs'
* Address more feedback
* Rewrites to participating.md
* Tweak navigation titles
* Document PR Wrangler
* Document SIG Docs chairperson
* Fix codeblock that shows how to use <codenew>
It was being interpreted as a Hugo shortcode.