Update license badges

Author: aurexav

README.md

@@ -3,7 +3,8 @@
 # array-bytes
 ### A Collection of Array/Bytes/Hex Utilities.
 
-[![License](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+[![License GPLv3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+[![License MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 [![Checks](https://github.com/hack-ink/array-bytes/actions/workflows/checks.yml/badge.svg?branch=main)](https://github.com/hack-ink/array-bytes/actions/workflows/checks.yml)
 [![Docs](https://img.shields.io/docsrs/array-bytes)](https://docs.rs/array-bytes)
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