Fixes #47 - Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: release
+on:
+  push:
+    tags:        
+      - v*
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@v1
+    - name: Set up Java
+      uses: actions/setup-java@v2
+      with:
+        distribution: 'temurin'
+        java-version: 21
+        server-id: ossrh
+        server-username: MAVEN_USERNAME
+        server-password: MAVEN_PASSWORD
+        gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+        gpg-passphrase: MAVEN_GPG_PASSPHRASE
+    - name: Build with Maven
+      run: |
+        export MAVEN_OPTS='--add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.text=ALL-UNNAMED --add-opens=java.desktop/java.awt.font=ALL-UNNAMED'
+        mvn --no-transfer-progress -B -DskipTests=true -DskipITs=true -P release deploy
+      env:
+        MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+        MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+        MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}