feat(create-turbo): apply package-manager transform

package.json

@@ -13,8 +13,12 @@
     "turbo": "^2.5.8",
     "typescript": "5.9.2"
   },
-  "packageManager": "[email protected]",
   "engines": {
     "node": ">=18"
-  }
+  },
+  "packageManager": "[email protected]",
+  "workspaces": [
+    "apps/*",
+    "packages/*"
+  ]
 }