Update package.json

Author: ImranullahKhann

giftlink-backend/package.json

@@ -1,6 +1,9 @@
 {
   "name": "giftlink-backend",
   "version": "1.0.0",
+  "jshintConfig": {
+    "esversion": 8
+  },
   "description": "",
   "main": "index.js",
   "scripts": {