add GH action to publish maven packages to GH

.github/workflows/maven-publish.yml

@@ -0,0 +1,38 @@
+# This workflow will build a package using Maven and then publish it to GitHub packages when a release is created
+# For more information see: https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#apache-maven-with-a-settings-path
+
+name: Maven publish package
+
+on:
+  push:
+    tags:
+      # listen to tags that starts with the letter v as a convention to release tags.
+      - v*
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
+        settings-path: ${{ github.workspace }} # location for the settings.xml file
+
+    - name: Build with Maven
+      working-directory: ./equinix-openapi-fabric
+      run: mvn -B package --file pom.xml
+
+    - name: Publish to GitHub Packages Apache Maven
+      working-directory: ./equinix-openapi-fabric
+      run: mvn deploy -s $GITHUB_WORKSPACE/settings.xml -DaltDeploymentRepository=github::default::https://maven.pkg.github.com/equinix-labs/fabric-java
+      env:
+        GITHUB_TOKEN: ${{ github.token }}