Improve support for favicon and PWA icons

config/config.exs

@@ -339,6 +339,24 @@
       type: "image/png",
       sizes: "512x512",
       purpose: "any"
+    },
+    %{
+      src: "/static/icon-192.png",
+      type: "image/png",
+      sizes: "192x192",
+      purpose: "any"
+    },
+    %{
+      src: "/static/icon-maskable-512.png",
+      type: "image/png",
+      sizes: "512x512",
+      purpose: "maskable"
+    },
+    %{
+      src: "/static/icon-maskable-192.png",
+      type: "image/png",
+      sizes: "192x192",
+      purpose: "maskable"
     }
   ],
   theme_color: "#d6cec7",

lib/pleroma/constants.ex

@@ -25,7 +25,7 @@ defmodule Pleroma.Constants do
 
   const(static_only_files,
     do:
-      ~w(index.html robots.txt static static-fe finmoji emoji packs sounds images instance embed sw.js sw-pleroma.js favicon.png schemas doc)
+      ~w(index.html robots.txt static static-fe finmoji emoji packs sounds images instance embed sw.js sw-pleroma.js favicon.ico favicon.png schemas doc)
   )
 
   const(status_updatable_fields,