Set up Wireguard private key

.gitignore

@@ -0,0 +1 @@
+private

systems/laptop.nix

@@ -60,17 +60,17 @@ in {
         load-module module-combine-sink sink_name=all
     '';
 
-    /*networking.wireguard = {
+    networking.wireguard = {
       wg0 = {
-        ips = [ "192.168.20.4/24" ];
-        privateKey = "yAnz5TF+lXXJte14tji3zlMNq+hd2rYUIgJBgB3fBmk=";
-        peers = [
+        /*ips = [ "192.168.20.4/24" ];*/
+        privateKey = (import ../private/credentials.nix).wireguard.privateKey;
+        /*peers = [
           { allowedIPs = [ "192.168.20.1/32" ];
             publicKey  = "xTIBA5rboUvnH4htodjb6e697QjLERt1NAB4mZqp8Dg=";
             endpoint   = "demo.wireguard.io:12913"; }
-        ];
+        ];*/
+      };
     };
-    };*/
 
     nix.useSandbox = true;