Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,50 @@
+name: 'Github ehex releases'
+
+on:
+  push:
+    branches:
+      - ehex
+
+jobs:
+  # New build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '11'
+          cache: 'maven'
+      - name: Build with Maven
+        run: mvn clean package -DskipTests
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: hpi-file
+          path: target/*.hpi
+
+  # New release job
+  release:
+    needs: build
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/oic-auth-ehex-')
+    steps:
+      - uses: actions/checkout@v4
+      - name: Download Artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: hpi-file
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+          files: |
+            *.hpi