add .github

.github/workflows/gradle.yml

@@ -0,0 +1,31 @@
+name: Builds 🔨
+
+on: [push, pull_request]
+
+jobs:
+  pre_build:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/skip-duplicate-actions@v5
+
+  build:
+    needs: pre_build
+    if: needs.pre_build.outputs.should_skip != 'true'
+
+    name: gradle
+    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