chore: switch hosting provider from vercel to firebase

[webbertakken]

Context

Moving to a new hosting provider. DNS will be served from Cloudflare. The application by Google Firebase.

Changes

• [x] Initiate Firebase project
• [x] Remove Vercel deployment workflow
• [x] Add Firebase deployment workflow
• [x] Remove Vercel logos everywhere
• [x] Add Firebase logo to the footer out of courtesy

Checklist

• [x] Read the contribution guide and accept the code of conduct
• [x] Readme (updated or not needed)
• [x] Tests (added, updated or not needed)

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated
website	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Feb 18, 2023 at 1:56PM (UTC)

[github-actions[bot]]

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit a49a84e):

https://game-ci-5559f--pr364-deploy-away-from-ver-msezrg4x.web.app

_{(expires Sat, 25 Feb 2023 13:58:43 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: 1f0574f15f83e11bfc148eae8646486a6d0e078b}