feat: add support for custom favicons (#4770)

* feat: add support for custom favicons

* Commit updated API documentation

* chore(i18n): add localization of text

* fix(js): regenerate package lock file

* chore(test): add favicon test

* fix: max size not respected

* Commit updated API documentation

* fix: move favicon.ico to the static dir

* fix: fix tests

* fix: remove hard-coded content-type of icon

* chore: update extracted translations

* feat(admin): add support for resetting to default icon

* chore: use a higher res default favicon

* Commit updated API documentation

---------

Co-authored-by: Owncast <owncast@owncast.online>

web/components/admin/MainLayout.tsx

@@ -311,7 +311,7 @@ export const MainLayout: FC<MainLayoutProps> = ({ children }) => {
     <Layout id="admin-page" className={appClass}>
       <Head>
         <title>Owncast Admin</title>
-        <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon/favicon-32x32.png" />
+        <link rel="icon" href="/favicon.ico" />
       </Head>
 
       {serverError?.type === 'OWNCAST_SERVICE_UNREACHABLE' && (