feat: add common delcarations for ny user

modules/default.nix

@@ -22,6 +22,8 @@
     ./system/audio.nix
     ./system/mime.nix
 
+    ./users/ny.nix
+
     ./nix
     ./themes
   ];

modules/users/ny.nix

@@ -0,0 +1,11 @@
+{ username, ... }:
+{
+  users.users.${username} = {
+    isNormalUser = true;
+    createHome = true;
+    useDefaultShell = true;
+    extraGroups = [
+      "wheel"
+    ];
+  };
+}