added vpn

modules/misc.nix

@@ -0,0 +1,5 @@
+{...}: {
+  imports = [
+    ../system/vpn.nix
+  ];
+}

nixos/biscuit/configuration.nix

@@ -9,6 +9,7 @@
     ./hardware-configuration.nix
     ../../modules/system.nix
     ../../modules/xserver.nix
+    ../../modules/misc.nix
   ];
 
   environment.systemPackages = with pkgs; [

system/networking.nix

@@ -1,6 +1,6 @@
-{ ... }: {
+{pkgs, ...}: {
   networking.hostName = "nixos";
   # Pick only one of the below networking options.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
+  networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
 }

system/vpn.nix

@@ -0,0 +1,18 @@
+{...}: {
+  networking.wireguard.interfaces = {
+    biscuit-default = {
+      ips = ["10.2.0.2/32"];
+      listenPort = 51820;
+      privateKeyFile = "/home/biscuit/Wireguard/secret";
+      dns = ["10.2.0.1"];
+      peers = [
+        {
+          publicKey = "KkUoHrIzkuQ4msZulqCFyRC1Gqcx8oMgbDFRn8wW1X8=";
+          allowedIPs = ["0.0.0.0/0"];
+          endpoint = "95.173.221.65:51820";
+          persistentKeepAlive = 25;
+        }
+      ];
+    };
+  };
+}