Add hyprland

hosts/common/default.nix

@@ -25,6 +25,13 @@ in {
       experimental-features = nix-command flakes
       warn-dirty = false
     '';
+
+    settings = {
+      substituters = [
+        "https://hyprland.cachix.org"
+      ];
+      trusted-public-keys = ["hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="];
+    };
   };
 
   # Set time zone.
@@ -48,13 +55,14 @@ in {
   hardware.cpu.intel.updateMicrocode = true;
 
   users.users."${defaultUser}" = mkUser defaultUser;
+  xdg.portal.wlr.enable = true;
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = with pkgs; [
     curl
     fd
-    firefox
+    firefox-wayland
     fzf
     gcc
     git