Add Todo feature with UI and backend integration

apps/cli/template/base/packages/server/src/routers/index.ts

@@ -1,9 +1,11 @@
 import { router, publicProcedure } from "../lib/trpc";
+import { todoRouter } from "./todo";
 
 export const appRouter = router({
   healthCheck: publicProcedure.query(() => {
     return "OK";
   }),
+  todo: todoRouter,
 });
 
 export type AppRouter = typeof appRouter;