feat: migrate from Gradle to Maven (#106)

* feat: migrate from Gradle to Maven

* feat: delete gradle-ci.yml

* feat: disable comment checking

.github/workflows/maven-ci.yml

@@ -0,0 +1,55 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    services:
+      mysql:
+        image: mysql:5.7
+        ports:
+          - 3306:3306
+        env:
+          MYSQL_ROOT_PASSWORD: casbin_test
+          MYSQL_DATABASE: casbin
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+      redis:
+        image: redis
+        ports:
+          - 6379:6379
+        options: --health-cmd "redis-cli ping" --health-interval 10s --health-timeout 5s --health-retries 5
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: '0'
+
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+          server-username: OSSRH_JIRA_USERNAME
+          server-password: OSSRH_JIRA_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg-passphrase: GPG_PASSPHRASE
+
+      - name: Build with Maven
+        run: mvn package -Dmaven.test.skip=true
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 20
+
+      - name: Sematic Release
+        run: |
+          npm install -g @conveyal/maven-semantic-release semantic-release
+          semantic-release --prepare @conveyal/maven-semantic-release --publish @semantic-release/github,@conveyal/maven-semantic-release --verify-conditions @semantic-release/github,@conveyal/maven-semantic-release --verify-release @conveyal/maven-semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GPG_KEY_NAME: ${{ secrets.GPG_KEY_NAME }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+          OSSRH_JIRA_USERNAME: ${{ secrets.OSSRH_JIRA_USERNAME }}
+          OSSRH_JIRA_PASSWORD: ${{ secrets.OSSRH_JIRA_PASSWORD }}