improvement: git, hyprland, steam

added gitbutler, introduced maintenance for nixpkgs, cleaned up some files, keyring should now unlock ad login

modules/nixos/system/hardware/bluetooth/default.nix

@@ -25,6 +25,7 @@ in
         General = {
           Experimental = true;
           KernelExperimental = true;
+          Enable = "Source,Sink,Media,Socket";
         };
       };
     };