build: add github actions

Author: claudioaltamura

README.md

@@ -1,5 +1,4 @@
-![GitHub Workflow Status (with branch)](https://img.shields.io/github/actions/workflow/status/claudioaltamura/java-java256/maven-build.yml?branch=main)
-
+![GitHub Workflow Status (with branch)](https://img.shields.io/github/actions/workflow/status/claudioaltamura/java-java25
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
 # java-java25