Can you add this code in Readme for updating every folder in github. <img src='https://img.shields.io/badge/Difficulty-Easy-brightgreen' alt='Difficulty: Easy' /> This displays the badge of the difficulty level of the problem. ### Existing model::  ### Proposed / New model : 
Can you add this code in Readme for updating every folder in github.
This displays the badge of the difficulty level of the problem.
Existing model::
Proposed / New model :