A lot of QOL changement, remove Zen, config Qutebrowser, update a lot of things

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

nixos/home-manager.nix

@@ -1,9 +1,15 @@
 # Home-manager configuration for NixOS
-{inputs, ...}: {
+{inputs, pkgs, ...}: {
   home-manager = {
     useGlobalPkgs = true;
     useUserPackages = true;
     backupFileExtension = "hm-backup";
-    extraSpecialArgs = {inherit inputs;};
+    extraSpecialArgs = {
+      inherit inputs;
+      pkgs-stable = import inputs.nixpkgs-stable {
+        system = pkgs.stdenv.hostPlatform.system;
+        config.allowUnfree = true;
+      };
+    };
   };
 }