fix(arr): Fix websockets

modules/nixos/deertopia/servarr.nix

@@ -43,6 +43,8 @@ in {
       options = [
         "vers=2.0"
         "cred=/run/secrets/buffalo-nas-creds"
+        # Wait for network availability before attempting mount.
+        "_netdev"
         # It appears that the group/user names used by Nixarr are hard-coded.
         "gid=media"
         "uid=streamer"