Add GitHub release badge to README

Author: P4ST4S

README.md

@@ -7,6 +7,7 @@ This project demonstrates Go's efficiency for CPU-bound tasks compared to Node.j
 ![Docker](https://img.shields.io/badge/Docker-Alpine-2496ED?style=flat&logo=docker)
 ![Size](https://img.shields.io/badge/Image_Size-~21MB-success)
 [![Build and Push](https://github.com/P4ST4S/go-image-optimizer/actions/workflows/docker-build.yml/badge.svg)](https://github.com/P4ST4S/go-image-optimizer/actions/workflows/docker-build.yml)
+[![GitHub release](https://img.shields.io/github/v/release/P4ST4S/go-image-optimizer)](https://github.com/P4ST4S/go-image-optimizer/releases)
 
 ## ⚡ Key Features