add github actions (#159)

.github/workflows/maven-build.yml

@@ -0,0 +1,51 @@
+name: build on maven
+
+on:
+  watch:
+    types: [started]
+  pull_request:
+    types: [opened, reopened, edited, synchronize, ready_for_review]
+  push:
+    branches:
+      - main
+      - master
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build with maven
+    runs-on: ubuntu-latest
+    env:
+      MAVEN_OPTS: "-Xmx4096m -Xms2048m -XX:MaxMetaspaceSize=4096m -Xss8m"
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up JDK 11 for x64
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        architecture: x64
+
+    - uses: s4u/[email protected]
+      with:
+        sonatypeSnapshots: true
+
+    - name: Build the Maven verify phase
+      run: mvn -B -V clean verify -Prun-its -Pci
+
+
+    - uses: s4u/[email protected]
+      if: ${{ github.event_name == 'push' }}
+      with:
+        servers: |
+          [{
+              "id": "sonatype-nexus-snapshots",
+              "username": "${{ secrets.SONATYPE_BOT_USERNAME }}",
+              "password": "${{ secrets.SONATYPE_BOT_TOKEN }}"
+          }]
+
+    - name: Deploy the artifact
+      if: ${{ github.event_name == 'push' }}
+      run: mvn help:effective-settings -B -V clean deploy -e