adds testing pipeline

Author: lueck

.github/workflows/test.yaml

@@ -0,0 +1,27 @@
+name: Tests
+on:
+  push:
+    paths-ignore:
+      - 'README.md'
+      - 'CONTRIBUTING.md'
+    pull_request:
+      branches:
+        - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'adopt'
+          cache: maven
+
+      - name: run maven
+        run: ./mvnw --batch-mode --update-snapshots verify