Working

src/server/trpc/routers/announcement.ts

@@ -0,0 +1,12 @@
+import { publicProcedure, router } from '~/server/trpc/trpc'
+
+export default router({
+  announcement: publicProcedure
+    .query(async ({ ctx }) => {
+      return await ctx.prisma.announcement.findFirst({
+        orderBy: {
+          createdAt: 'desc',
+        },
+      })
+    }),
+})