Added badge.

Author: javadev

README.md

@@ -1,5 +1,7 @@
 # LeetCode-in-Kotlin
 
+[![Maven Central](https://img.shields.io/maven-central/v/com.github.javadev/leetcode-in-kotlin.svg)](http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.github.javadev%22%20AND%20a%3A%22leetcode-in-kotlin%22)
+[![MIT License](http://img.shields.io/badge/license-MIT-green.svg) ](https://github.com/javadev/leetcode-in-kotlin/blob/main/LICENSE)
 [![Java CI with Maven](https://github.com/javadev/LeetCode-in-Kotlin/actions/workflows/maven.yml/badge.svg)](https://github.com/javadev/LeetCode-in-Kotlin/actions/workflows/maven.yml)
 
 Kotlin Solution for LeetCode algorithm problems, continually updating.