updated CI

.github/workflows/build.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+          cache: maven
+
+      - name: Build (Maven)
+        run: |
+          mvn verify
+          echo "That's All, folks !"
+
+      - name: Upload
+        uses: actions/upload-artifact@v2
+        with:
+          name: marlin-build
+          path: target/marlin-*.jar
+