added github workflow and updated the readme

.github/workflows/gradle-test.yml

@@ -0,0 +1,16 @@
+name: Gradle test
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - develop
+  pull_request:
+
+permissions:
+  checks: write
+  contents: read
+
+jobs:
+  gradle-test:
+    uses: ihmcrobotics/ihmc-actions/.github/workflows/gradle-test.yml@main

readme.md

@@ -1,5 +1,11 @@
 # IHMC EtherCAT Master
 
+[ ![ihmc-ethercat-master](https://maven-badges.herokuapp.com/maven-central/us.ihmc/ihmc-ethercat-master/badge.svg?style=plastic)](https://maven-badges.herokuapp.com/maven-central/us.ihmc/ihmcethercat-master)
+![buildstatus](https://github.com/ihmcrobotics/ihmc-ethercat-master/actions/workflows/gradle-test.yml/badge.svg?branch=develop)
+![buildstatus](https://github.com/ihmcrobotics/ihmc-ethercat-master/actions/workflows/gradle-test.yml/badge.svg?branch=main)
+![buildstatus](https://github.com/ihmcrobotics/ihmc-ethercat-master/actions/workflows/gradle-test.yml/badge.svg?branch=0.15.0)
+
+
 This package provides a lightweight java wrapper around SOEM (https://github.com/OpenEtherCATsociety/SOEM) and provides an Object Orientated interface to the EtherCAT master.
 
 Extra functionality built on top of SOEM includes