Added GitHub Actions config

Author: chkal

.github/workflows/deploy.yml

@@ -0,0 +1,29 @@
+name: Build and deploy snapshot
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: 11
+          distribution: temurin
+          cache: maven
+          server-id: ossrh
+          server-username: OSS_SONATYPE_USERNAME
+          server-password: OSS_SONATYPE_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg-passphrase: GPG_PASSPHRASE
+      - name: Build with Maven
+        run: mvn -B -Drelease verify deploy
+        env:
+          OSS_SONATYPE_USERNAME: ${{ secrets.OSS_SONATYPE_USERNAME }}
+          OSS_SONATYPE_PASSWORD: ${{ secrets.OSS_SONATYPE_PASSWORD }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}