Update README.md

Author: javadev

README.md

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 # LeetCode-in-Ruby
 
 [![Ruby CI](https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby/actions/workflows/checks.yml/badge.svg)](https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby/actions/workflows/checks.yml)
+[![](https://img.shields.io/github/stars/LeetCode-in-Ruby/LeetCode-in-Ruby?style=flat-square)](https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby)
+[![](https://img.shields.io/github/forks/LeetCode-in-Ruby/LeetCode-in-Ruby?style=flat-square)](https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby/fork)
+
 
 Ruby-based LeetCode algorithm problem solutions, regularly updated.