feat: add SEO metadata and profile schema

src/app/about/layout.tsx

@@ -0,0 +1,15 @@
+import type { Metadata } from "next";
+
+export const metadata: Metadata = {
+  title: "About Us",
+  description:
+    "Learn about RE-Quest and our mission to connect users with trusted real estate professionals.",
+};
+
+export default function AboutLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return <>{children}</>;
+}