feat(backend): add fastify api, auth, prisma schema and jobs

apps/backend/src/modules/meta/meta.routes.ts

@@ -0,0 +1,7 @@
+import type { FastifyInstance } from 'fastify';
+import { getBackendVersion } from '../../utils/version.js';
+
+export default async function metaRoutes(app: FastifyInstance) {
+  app.get('/version', async () => ({ backend: getBackendVersion() }));
+  app.get('/health', async () => ({ status: 'ok', ts: new Date().toISOString() }));
+}