[vega] Enables running app-images as binaries

system/hosts/vega/configuration.nix

@@ -149,4 +149,11 @@
   # Enable the font directory for managing fonts
   # This doesn't seem to be needed though.
   # fonts.fontDir.enable = true;
+
+  # Run Appimage files as binaries using appimage-run
+  # https://wiki.nixos.org/wiki/Appimage#Register_AppImage_files_as_a_binary_type_to_binfmt_misc
+  programs.appimage = {
+    enable = true;
+    binfmt = true;
+  };
 }