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/public/manifest.json

@@ -2,40 +2,8 @@
  "name": "Owncast",
  "icons": [
   {
-   "src": "\/img\/favicon\/android-icon-36x36.png",
-   "sizes": "36x36",
-   "type": "image\/png",
-   "density": "0.75"
-  },
-  {
-   "src": "\/img\/favicon\/android-icon-48x48.png",
-   "sizes": "48x48",
-   "type": "image\/png",
-   "density": "1.0"
-  },
-  {
-   "src": "\/img\/favicon\/android-icon-72x72.png",
-   "sizes": "72x72",
-   "type": "image\/png",
-   "density": "1.5"
-  },
-  {
-   "src": "\/img\/favicon\/android-icon-96x96.png",
-   "sizes": "96x96",
-   "type": "image\/png",
-   "density": "2.0"
-  },
-  {
-   "src": "\/img\/favicon\/android-icon-144x144.png",
-   "sizes": "144x144",
-   "type": "image\/png",
-   "density": "3.0"
-  },
-  {
-   "src": "\/img\/favicon\/android-icon-192x192.png",
-   "sizes": "192x192",
-   "type": "image\/png",
-   "density": "4.0"
+   "src": "/favicon.ico",
+   "sizes": "any"
   }
  ],
  "display": "fullscreen"