fixed nix

nixos-modules/zia-server.nix

@@ -19,17 +19,17 @@ in
         type = lib.types.attrsOf (lib.types.submodule ({ config, name, ... }: {
           options = {
             enable = lib.mkEnableOption (lib.mdDoc "Zia Server.");
-            listen-addr = {
+            listen-addr = lib.mkOption {
               type = lib.types.str;
               description = lib.mkDoc "The socket address zia should be listening on.";
               default = null;
             };
-            upstream = {
+            upstream = lib.mkOption {
               types = lib.types.str;
               description = lib.mkDoc "The socket address of the udp upstream zia should redirect all traffic to.";
               default = null;
             };
-            mode = {
+            mode = lib.mkOption {
               types = lib.types.enum [ "ws" ];
               description = lib.mkDoc "The mode zia sould be listening with.";
               default = "ws";