feat: add settings button to homepage #195

Job	Run time
fly-check	5s
build	26m 54s
flake-check (app-hydrate-clippy)	8m 58s
flake-check (app-ssr-clippy)	9m 37s
flake-check (site-server-clippy)	10m 6s
flake-check (site-frontend-clippy)	9m 20s
flake-check (site-server-doc)	9m 43s
flake-check (site-server-fmt)	1m 14s
flake-check (site-server-deny)	1m 19s
flake-check (site-server-nextest)	8m 43s
	1h 25m 59s

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