Add git actions flow

.github/workflows/build-and-publish.yml

@@ -0,0 +1,27 @@
+name: Publish package to the Maven Central Repository
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install JDK
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+
+      - uses: gradle/gradle-build-action@v3
+
+      - name: Publish
+        run: ./gradlew publishAndReleaseToMavenCentral
+        env:
+          ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.MAVEN_USERNAME }}
+          ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.MAVEN_PASSWORD }}
+          ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.SIGNING_PRIVATE_KEY }}
+          ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.SIGNING_PASSWORD }}