add telegraf

modules/shared/syscfg/default.nix

@@ -28,6 +28,10 @@ in with lib; {
       type = types.oneOf [ types.bool (types.submodule { options = import ./server.nix {inherit lib;}; }) ];
       default = false;
     };
+    monitoring = mkOption {
+      type = types.submodule { options = import ./monitoring.nix { inherit lib; }; };
+      default = { };
+    };
     media = mkOption {
       type = types.submodule { options = import ./media.nix { inherit lib; }; };
       default = {};