feat: implement text inspector and case converter tool

app/text/page.tsx

@@ -0,0 +1,11 @@
+import { toolGroups } from "@/config/tools";
+import { PageRootSection } from "@/components/page-root-section";
+import { ToolCards } from "@/components/tool-cards";
+
+export default function Page() {
+  return (
+    <PageRootSection title={toolGroups.text.title}>
+      <ToolCards tools={Object.values(toolGroups.text.tools)} />
+    </PageRootSection>
+  );
+}