Add Material 3 badge to README

Added Material 3 badge to the README file.

Author: UmerCodez

README.md

@@ -4,7 +4,7 @@
 
 <img src="https://github.com/UmerCodez/LittleRelay/blob/main/assets/app-icon.png" width="150">
 
-![GitHub License](https://img.shields.io/github/license/UmerCodez/LittleRelay?style=for-the-badge) ![Android Badge](https://img.shields.io/badge/Android-6.0+-34A853?logo=android&logoColor=fff&style=for-the-badge) ![Jetpack Compose Badge](https://img.shields.io/badge/Jetpack%20Compose-4285F4?logo=jetpackcompose&logoColor=fff&style=for-the-badge)
+![GitHub License](https://img.shields.io/github/license/UmerCodez/LittleRelay?style=for-the-badge) ![Android Badge](https://img.shields.io/badge/Android-6.0+-34A853?logo=android&logoColor=fff&style=for-the-badge) ![Jetpack Compose Badge](https://img.shields.io/badge/Jetpack%20Compose-4285F4?logo=jetpackcompose&logoColor=fff&style=for-the-badge) ![Material 3](https://img.shields.io/badge/Material%203-ebe89d?style=for-the-badge&logo=materialdesign&logoColor=white)
 
 ### Android application that enables bidirectional communication between BLE devices and an MQTT broker.