github workflows fix

Author: hexadec1mal

.github/workflows/build.yml

@@ -0,0 +1,24 @@
+name: Build
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 21
+
+      - name: Build
+        run: ./gradlew build
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-artifacts
+          path: build/libs/