feat: complete dashcam catalog ingestion demo

ingestion/src/exportCatalog.ts

@@ -0,0 +1,12 @@
+import { createPgPool } from './db.ts';
+import { exportApprovedCatalog } from './exporter.ts';
+
+const pool = createPgPool();
+
+try {
+  const manifest = await exportApprovedCatalog(pool);
+
+  console.log(JSON.stringify(manifest, null, 2));
+} finally {
+  await pool.end();
+}