Add it-tools module

modules/system/services/it-tools.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  cfg = config.custom.services.it-tools;
+in
+{
+  options.custom.services.it-tools = {
+    enable = lib.mkEnableOption "";
+    domain = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = "";
+    };
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 8787;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    meta.ports.list = [ cfg.port ];
+
+    services.static-web-server = {
+      enable = true;
+      listen = "[::]:${toString cfg.port}";
+      root = "${pkgs.it-tools}/lib";
+      configuration.general.health = true;
+    };
+
+    custom.services.gatus.endpoints."IT Tools" = {
+      group = "Public";
+      url = "https://${cfg.domain}/health";
+      extraConditions = [ "[BODY] == OK" ];
+    };
+  };
+}