feat: implement text inspector and case converter tool

app/text/layout.tsx

@@ -0,0 +1,16 @@
+import { Metadata } from "next";
+
+import { toolGroups } from "@/config/tools";
+
+export const metadata: Metadata = {
+  title: toolGroups.generators.title,
+  robots: {
+    googleBot: {
+      index: false,
+    },
+  },
+};
+
+export default function Layout({ children }: { children: React.ReactNode }) {
+  return children;
+}