add test build github action

Author: skylot

.github/workflows/build-test.yml

@@ -0,0 +1,28 @@
+name: Build Test
+
+on:
+  push:
+    branches: [ master, build-test ]
+  pull_request:
+    branches: [ master ]
+  # run weekly to verify latest jadx snapshot version
+  schedule:
+    - cron: "22 2 * * 2"
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Build
+        run: ./gradlew build