Build out initial list of platforms and topics to document

[benhohner]

Starter suggestions, feel free to edit:

• [ ] Document Cloudflare
  • [ ] Workers
  • [ ] Firewall
  • [ ] DNS Setup
• [ ] Document CloudFront for Donate
• [ ] CI setup (GH actions)
• [ ] Heroku
  • [ ] Review apps(?)
  • [ ] Cron stuff
  • [ ] Foundation hook that builds mozfest (maybe put into docs for foundation site)
• [ ] AWS
  • [ ] Services in use
  • [ ] Describe what each account is for
  • [ ] Cinchy Infra
  • [ ] Common Voice Infra