Cleanup to get this work ready to go. Includes:

- Fixing availability information, and adds a FLAG label.
- Fixes availability information in subheadings
- Breaks long sentences apart into unordered list
- Reformats video link to meet standards, display in page, and meet
  GDPR guidelines
- Rewrites subheading for enabling the feature
- Extracts prerequisites to beginning of section
- Formats fields and steps appropriately