initial

.github/workflows/ci.yml

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+name: CI
+
+on: [ push ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - name: Setup JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - name: Build and publish
+        run: |
+          chmod +x gradlew
+          ./gradlew :publish -Pversion=${GITHUB_REF##*/}-SNAPSHOT
+          ./gradlew :publish -Pversion=$(git rev-parse --short "$GITHUB_SHA")