create gnome config

basic keybinds, pinned apps, extensions, etc.

hosts/kitagawa/home.nix

@@ -15,6 +15,7 @@ in {
     "${global-configs}/floorp.nix"
     "${global-configs}/vscode.nix"
     "${global-configs}/niri.nix"
+    "${global-configs}/gnome.nix"
   ];
 
   home.packages = with pkgs; [
@@ -27,6 +28,7 @@ in {
     jetbrains.idea
     proton-vpn
     ente-auth
+    signal-desktop
   ];
 
   dconf.settings = {
@@ -49,4 +51,17 @@ in {
     platformTheme.name = "adwaita";
     style.name = "adwaita-dark";
   };
+
+  xdg = {
+    enable = true;
+    mimeApps.defaultApplications = {
+      "x-scheme-handler/x-github-client" = [ "github-desktop.desktop" ];
+      "x-scheme-handler/x-github-desktop-dev-auth" = [ "github-desktop.desktop" ];
+      "x-scheme-handler/http" = [ "floorp.desktop" ];
+      "text/html" = [ "floorp.desktop" ];
+      "application/xhtml+xml" = [ "floorp.desktop" ];
+      "x-scheme-handler/https" = [ "floorp.desktop" ];
+      "text/calendar" = [ "thunderbird.desktop" ];
+    };
+  };
 }