FCF-47 Add Favicon and other headers

Purpose

Adding a Favicon and other head tags.

Related Issues

Closes FCF-47

Submission Checklist

• Included Jira issue in the PR title (e.g. FCF-### <title>)
• Code passes linter rules (clj-kondo --lint src)
• Feature(s) work when compiled (clojure -M:compile-cljs)

Testing

Used https://realfavicongenerator.net/ to check the added Favicons (I used ngrok http 8080 to generate a URL to use with this tester):