Update README.md

Author: harmeetsingh11

2677-chunk-array/README.md

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-<h2><a href="https://leetcode.com/problems/chunk-array/">2677. Chunk Array</a></h2><h3>Easy</h3><hr><div><p>Given an array <code>arr</code> and&nbsp;a chunk size&nbsp;<code>size</code>, return a&nbsp;<strong>chunked</strong> array. A&nbsp;<strong>chunked</strong>&nbsp;array contains the original elements in&nbsp;<code>arr</code>, but&nbsp;consists of subarrays each of length&nbsp;<code>size</code>. The length of the last subarray may be less than&nbsp;<code>size</code>&nbsp;if <code>arr.length</code>&nbsp;is not evenly divisible by <code>size</code>.</p>
+<h2><a href="https://leetcode.com/problems/chunk-array/">2677. Chunk Array</a></h2><img src="https://img.shields.io/badge/Easy-brightgreen" alt="Easy" /><hr><div><p>Given an array <code>arr</code> and&nbsp;a chunk size&nbsp;<code>size</code>, return a&nbsp;<strong>chunked</strong> array. A&nbsp;<strong>chunked</strong>&nbsp;array contains the original elements in&nbsp;<code>arr</code>, but&nbsp;consists of subarrays each of length&nbsp;<code>size</code>. The length of the last subarray may be less than&nbsp;<code>size</code>&nbsp;if <code>arr.length</code>&nbsp;is not evenly divisible by <code>size</code>.</p>
 
 <p>You may assume the&nbsp;array&nbsp;is&nbsp;the output of&nbsp;<code>JSON.parse</code>. In other words, it is valid JSON.</p>