fix: add typescript to dev dependencies

Author: aaditmshah

package-lock.json

@@ -36,7 +36,8 @@
     "jest": "^27.4.5",
     "jest-runner-eslint": "^1.0.0",
     "lint-staged": "^12.1.2",
-    "prettier": "^2.5.1"
+    "prettier": "^2.5.1",
+    "typescript": "^4.7.4"
   },
   "peerDependencies": {
     "eslint": "^7.0.0 || ^8.0.0"