generify the vpn setup

nixos/hosts/GLaDOS/configuration.nix

@@ -2,14 +2,15 @@
 # Use this to configure your system environment (it replaces /etc/nixos/configuration.nix)
 {
   inputs,
+  outputs,
   pkgs,
-  config,
   ...
 }: {
   # You can import other NixOS modules here
   imports = [
     # Import home-manager's NixOS module
     inputs.home-manager.nixosModules.home-manager
+    outputs.nixosModules.vpn-ip
     # If you want to use modules your own flake exports (from modules/nixos):
     # outputs.nixosModules.example
 
@@ -31,6 +32,12 @@
   environment.systemPackages = with pkgs; [
   ];
 
+  services.vpn-ip = {
+    ip = "2";
+  };
+
+  networking.hostName = "GLaDOS";
+
   services.xserver.videoDrivers = ["amdgpu"];
   hardware = {
     # Add vulkan support to GPU
@@ -74,31 +81,6 @@
 
   users.users.lillian.extraGroups = ["gamemode"];
 
-  networking = {
-    # virtualisation.waydroid.enable = false;
-    hostName = "GLaDOS";
-
-    wireguard.enable = true;
-
-    wg-quick.interfaces = {
-      wg0 = {
-        autostart = true;
-        address = ["10.0.0.2/24" "fdc9:281f:04d7:9ee9::2/64"];
-        dns = ["10.0.0.1" "fdc9:281f:04d7:9ee9::1"];
-        listenPort = 51821;
-        privateKeyFile = config.sops.secrets."wg-private-key".path;
-        peers = [
-          {
-            publicKey = "A02sO7uLdgflhPIRd0cbJONIaPP4z8HTxDkmX4NegFg=";
-            endpoint = "84.87.146.85:51821";
-            allowedIPs = ["0.0.0.0/0" "::/0"];
-            persistentKeepalive = 25;
-          }
-        ];
-      };
-    };
-  };
-
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
   system.stateVersion = "24.11";
 }