feat(backend): initial setup for cms backend service

backend/src/middleware/auth.middleware.ts

@@ -0,0 +1,12 @@
+import { FastifyRequest, FastifyReply } from 'fastify';
+
+export async function authenticate(
+  request: FastifyRequest,
+  reply: FastifyReply
+) {
+  try {
+    await request.jwtVerify();
+  } catch (err) {
+    reply.code(401).send({ error: 'Unauthorized' });
+  }
+}