added site metadata (#170)

apps/registry/app/job-similarity/layout.js

@@ -0,0 +1,29 @@
+export const metadata = {
+  title: 'Job Market Similarity Graph | JSON Resume Registry',
+  description:
+    'Interactive visualization of the tech job market, powered by data from HN "Who\'s Hiring" threads and JSON Resume Registry. Explore connections between different job roles and discover hiring trends.',
+  openGraph: {
+    title: 'Job Market Similarity Graph | JSON Resume Registry',
+    description:
+      'Interactive visualization of the tech job market, powered by data from HN "Who\'s Hiring" threads and JSON Resume Registry. Explore connections between different job roles and discover hiring trends.',
+    images: [
+      {
+        url: 'https://i.imgur.com/W5G1fNG.png',
+        width: 1200,
+        height: 630,
+        alt: 'Job Market Similarity Graph visualization showing connected nodes representing different tech job roles',
+      },
+    ],
+  },
+  twitter: {
+    card: 'summary_large_image',
+    title: 'Job Market Similarity Graph | JSON Resume Registry',
+    description:
+      'Interactive visualization of the tech job market, powered by data from HN "Who\'s Hiring" threads and JSON Resume Registry. Explore connections between different job roles and discover hiring trends.',
+    images: ['https://i.imgur.com/W5G1fNG.png'],
+  },
+};
+
+export default function Layout({ children }) {
+  return children;
+}