building with gradle

.github/workflows/ci.yml

@@ -0,0 +1,21 @@
+name: CI XRD Supply
+
+on:
+  push:
+    branches:
+      - chore/publish-kotlin-ret-maven
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v3
+      with:
+        distribution: temurin
+        java-version: 8
+    - name: Setup Gradle
+      uses: gradle/gradle-build-action@v2
+    - name: Execute Gradle build
+      run: |
+        cd interop/kotlin/ret-kotlin/lib/
+        ./gradlew build