Create gradle.yml

.github/workflows/gradle.yml

@@ -0,0 +1,34 @@
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v3
+
+    - name: Build with Gradle Wrapper
+      run: ./gradlew build
+    - name: Upload a Build Artifact
+      uses: actions/[email protected]
+      with:
+        name: Bomberman-server
+        path: build/libs/bomberman-all.jar
+