Replace favicon

mkdocs.yml

@@ -13,7 +13,7 @@ theme:
   language: en
   custom_dir: docs/_overrides
   logo: static/img/ntfy.png
-  favicon: static/img/favicon.png
+  favicon: static/img/favicon.ico
   include_search_page: false
   search_index_only: true
   palette:

web/public/index.html

@@ -15,7 +15,7 @@
   <meta name="apple-mobile-web-app-status-bar-style" content="#317f6f">
 
   <!-- Favicon, see favicon.io -->
-  <link rel="icon" type="image/png" href="%PUBLIC_URL%/static/img/favicon.png">
+  <link rel="icon" type="image/png" href="%PUBLIC_URL%/static/img/favicon.ico">
 
   <!-- Previews in Google, Slack, WhatsApp, etc. -->
   <meta property="og:type" content="website" />