GDSCnitjsr_officalweb CHANGE BACKEND API IN FRONTEND IN BACKEND1/INDEX.JS APPLY CORS ONLY TO FRONTEND URL AFTER DEPLOYING BACKEND SETUP .ENV FILE CLOUDINARY_API_SECRET CLOUDINARY_API_KEY CLOUDINARY_CLOUD_NAME RESEND_API_KEY MONGO_URL replace https://gdscbackend-alpha.vercel.app to the deployed backend server in routes/signup.js for email verfication