[DASH-612] Nebula: Add title and description meta (#5732)

DASH-612

apps/dashboard/src/app/nebula-app/layout.tsx

@@ -0,0 +1,21 @@
+import type { Metadata } from "next";
+
+const title =
+  "thirdweb Nebula: The Most powerful AI for interacting with the blockchain";
+const description =
+  "The most powerful AI for interacting with the blockchain, with real-time access to EVM chains and their data";
+
+export const metadata: Metadata = {
+  title,
+  description,
+  openGraph: {
+    title,
+    description,
+  },
+};
+
+export default function Layout(props: {
+  children: React.ReactNode;
+}) {
+  return props.children;
+}