Modify prepare script in package.json

Updated the prepare script to check NODE_ENV before running husky install.

Author: harshitap1305

backend/package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "prepare": "cd .. && husky install",
+    "prepare": "node -e \"if(process.env.NODE_ENV !== 'production'){process.exit(1)}\" || (cd .. && husky install)"
     "start": "node index.js",
     "dev": "nodemon index.js",
     "build": "nodemon build.js"