add flake and make system usablewo

configuration.nix

@@ -70,33 +70,14 @@
   # Enable touchpad support (enabled default in most desktopManager).
   # services.libinput.enable = true;
 
-  # Define a user account. Don't forget to set a password with ‘passwd’.
-  users.users = {
-    theo = {
-      isNormalUser = true;
-      extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
-      packages = with pkgs; [
-        lazygit
-        helix
-        yazi
-
-        git
-        tree
-        just
-        fastfetch
-
-        ashell
-        kitty
-        hyprlauncher
-      ];
-    };
-    guest = {
-      isNormalUser = true;
-    };
-  };
 
   programs.firefox.enable = true;
 
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = false;
+  };
+
   # List packages installed in system profile.
   # You can use https://search.nixos.org/ to find more packages (and options).
   environment.systemPackages = with pkgs; [