docs: gamemode

modules/nixos/base/networking.nix

@@ -18,6 +18,7 @@
   # Network discovery, mDNS
   # With this enabled, you can access your machine at <hostname>.local
   # it's more convenient than using the IP address.
+  # https://avahi.org/
   services.avahi = {
     enable = true;
     nssmdns4 = true;