fix(nfs-mounts): add network and systemd mount options

Add _netdev, x-systemd.requires/after network-online.target,
x-systemd.automatic-mount=force, and x-systemd.mount-timeout=90
to improve NFS mount reliability on boot and network changes.

roles/nfs-mounts/default.nix

@@ -31,8 +31,7 @@ in
     };
   };
 
-  config = mkIf cfg.enable
+  config = mkIf cfg.enable {
-    {
     fileSystems.${cfg.mountPoint} = {
       device = "${cfg.server}:${cfg.remotePath}";
       fsType = "nfs";
@@ -40,6 +39,11 @@ in
         "defaults"
         "nofail"
         "softreval"
+        "_netdev"
+        "x-systemd.requires=network-online.target"
+        "x-systemd.after=network-online.target"
+        "x-systemd.automatic-mount=force"
+        "x-systemd.mount-timeout=90"
       ];
     };
   };