// backend .....

  1. make a mongodb server
  2. complete all the requirements of mongodb
  3. connect the db with backend
  4. connect the backend with server
  5. Make a Model folder
  6. Design the Model as per requirement
  7. Make the Routes folder
  8. Prepare the routes of the folder
  9. Write the controller as per requirement......

// protected routes... // for admin to store the pdf in cloudinary....