Add a build workflow

.github/workflows/build.yaml

@@ -0,0 +1,26 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'gradle'
+      - name: Build with Gradle
+        run: ./gradlew build --no-daemon
+      - name: Upload Build Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-artifacts
+          path: "jars/*.jar"