Add firebase hosting prod deploy workflow

[MatoPlus]

Ticket link

Progress #595

Implementation description

• Add CI workflow for prod frontend deploy
• Add prod frontend secrets to github repo

What should reviewers focus on?

• correctness

Checklist

• [x] My PR name is descriptive and in imperative tense
• [x] My commit messages are descriptive and in imperative tense. My commits are atomic and trivial commits are squashed or fixup'd into non-trivial commits
• [x] I have run the appropriate linter(s)
• [x] I have requested a review from the PL, as well as other devs who have background knowledge on this PR or who will be building on top of this PR