added a workflow and status badging

.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 +1,9 @@
 # IHMC Java Video Codecs
 
+![realtime](https://maven-badges.herokuapp.com/maven-central/us.ihmc/ihmc-video-codecs/badge.svg?style=plastic)
+![buildstatus](https://github.com/ihmcrobotics/ihmc-video-codecs/actions/workflows/gradle-test.yml/badge.svg)
+
+
 This library provides Java support for the following video formats
 - MP4 (Based on JCodec)
 - MJPEG (libJPEG-Turbo)