migrated lambdas to setup.nix + lambda for server files

modules/servers/metube.nix

@@ -1,12 +1,7 @@
-{
-  lib,
-  config,
-  proxyReverse,
-  setup,
-  ...
-}:
+{ lib, config, ... }:
 let
   cfg = config.my.servers.metube;
+  setup = import ../setup.nix { inherit lib config; };
 in
 {
   options.my.servers.metube = setup.mkOptions "metube" "bajameesta" 8881;
@@ -25,7 +20,7 @@ in
       };
     };
     services.nginx.virtualHosts."${cfg.host}" = lib.mkIf cfg.enableProxy (
-      proxyReverse cfg.hostName cfg.port // { }
+      setup.proxyReverse cfg.hostName cfg.port // { }
     );
   };
 }