add TypeScript module (#623)

if you don't add the typescript module then the following error message will appear

Author: restuwahyu13

examples/typescript/package.json

@@ -11,6 +11,7 @@
     "chalk": "^2.4.1"
   },
   "devDependencies": {
-    "@vercel/ncc": "latest"
+    "@vercel/ncc": "latest",
+     "typescript": "^4.1.2"
   }
 }