✨ Split up config files to multiple and added imports. Fixed default values for systemConfigs

shared/modules/users.nix

@@ -0,0 +1,15 @@
+{ systemConfig, ... }:
+let
+  username = systemConfig.user.name;
+in
+{
+  # Define a user without a password, TODO pass in user.password
+  users.users.${username} = {
+    isNormalUser = true;
+    description = username;
+    extraGroups = [
+      "networkmanager"
+      "wheel"
+    ];
+  };
+}