Refactor user management in configuration files for enhanced consistency

Updated multiple configuration files to implement a unified approach for user management across applications and services. Introduced `mkEnabledWithUsers` to streamline user configuration, improving maintainability and flexibility in multi-user setups.

parts/core.nix

@@ -175,6 +175,13 @@ in
         inherit name;
         value.enable = true;
       };
+      mkEnabledWithUsers = name: {
+        inherit name;
+        value = {
+          enable = true;
+          users = "jawz";
+        };
+      };
       mkEnabledWithProxy = name: {
         inherit name;
         value = {