update package.json

Author: MananTank

packages/thirdweb/package.json

@@ -352,6 +352,9 @@
       "ai": [
         "./dist/types/exports/ai.d.ts"
       ],
+      "assets": [
+        "./dist/types/exports/assets.d.ts"
+      ],
       "auth": [
         "./dist/types/exports/auth.d.ts"
       ],