use some unstable pkgs, reorganize hw

modules/desktop/default.nix

@@ -42,6 +42,10 @@ in {
 
     programs = {
       kdeconnect.enable = true;
+      firefox = {
+        enable = true;
+        languagePacks = ["en-US" "de"];
+      };
     };
 
     # unblock kde connect / gsconnect

modules/desktop/gaming.nix

@@ -10,6 +10,7 @@ in {
 
   config = lib.mkIf isEnabled {
     hardware.opengl = {
+      driSupport = true;
       driSupport32Bit = true;
       extraPackages = with pkgs; [mangohud];
       extraPackages32 = with pkgs; [mangohud];