chore: use plasma-manager, move firefox to home-manager, add kde-rounded-corners

config/packages.nix

@@ -23,7 +23,6 @@
     ];
     # Configure your nixpkgs instance
     config = {
-      # Disable if you don't want unfree packages
       allowUnfree = true;
     };
   };
@@ -35,18 +34,18 @@
   environment.systemPackages = with pkgs; [
     git
     wget
-    fzf
     curl
     curlHTTP3
-    virt-manager
     pinentry-curses
+
     kitty
     wezterm
+    
     distrobox
-  ];
+    virt-manager
 
-  # firefox
-  programs.firefox.enable = true;
+    kde-rounded-corners
+  ];
 
   # steam
   programs.steam.enable = true;