Set up CI workflows (#111)

.github/workflows/maven.yml

@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+  workflow_dispatch:
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        java-version: [11, 17, 21]
+        os: ["ubuntu-latest", "windows-latest"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: ${{ matrix.java-version }}
+      - run: mvn wrapper:wrapper --no-transfer-progress -Dmaven="3.9.9"
+      - run: ./mvnw -B install --fail-at-end --no-transfer-progress --file pom.xml