feat(core-api): compose @repo/blog/api into appRouter under 'blog' namespace

packages/core-api/package.json

@@ -12,6 +12,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
+    "@repo/blog": "workspace:*",
     "@repo/core-shared": "workspace:*",
     "@trpc/server": "^11.0.0"
   },

packages/core-api/src/root.ts

@@ -1,5 +1,8 @@
 import { router } from "@repo/core-shared/trpc/init";
+import { blogRouter } from "@repo/blog/api";
 
-export const appRouter = router({});
+export const appRouter = router({
+  blog: blogRouter,
+});
 
 export type AppRouter = typeof appRouter;