Add nfs mount

hosts/gunter/default.nix

@@ -3,6 +3,7 @@
     ./configuration.nix
     ./hardware-configuration.nix
     ./steamuser.nix
+    ./nfs.nix
     ../../system
     ../../home
   ];

hosts/gunter/nfs.nix

@@ -0,0 +1,19 @@
+{ pkgs, ... }: {
+  services.rpcbind.enable = true;
+  systemd.mounts = [{
+    type = "nfs4";
+    mountConfig = {
+      Options = "rw,soft,noatime";
+    };
+    what = "nas.home.2rjus.net:/mnt/hdd-pool/media";
+    where = "/mnt/nas/media";
+  }];
+
+  systemd.automounts = [{
+    wantedBy = [ "multi-user.target" ];
+    automountConfig = {
+      TimeoutIdleSec = "5min";
+    };
+    where = "/mnt/nas/media";
+  }];
+}