CI workflow with Github Actions

## Summary
- initial PR for the series of the PRs
- to migrate circleci to github actions

## Testing Done
- TBD

.github/workflows/ci.yaml

@@ -0,0 +1,78 @@
+name: CI
+
+on:
+  push:
+    branches: ['main']
+  pull_request:
+    types: [ opened, synchronize, reopened ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  test:
+    name: "test with JDK=${{matrix.java-dist}}:${{matrix.java-ver}}"
+    runs-on: [ubuntu-latest]
+    strategy:
+      fail-fast: false
+      matrix:
+        java-ver: [11]
+        java-dist: ['microsoft', 'temurin']
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # so gradle doesn't fail traversing the history
+      - uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java-ver }}
+          distribution: ${{ matrix.java-dist }}
+      # see: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
+      - uses: gradle/actions/setup-gradle@v4 # v4.0.0
+      - name: gradle build
+        run: ./gradlew --no-daemon -PmaxParallelForks=1 build
+
+  integration-test:
+    name: "integration-test with JDK=${{matrix.java-dist}}:${{matrix.java-ver}}"
+    runs-on: [ubuntu-latest]
+    strategy:
+      fail-fast: false
+      matrix:
+        java-ver: [11]
+        java-dist: ['microsoft', 'temurin']
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # so gradle doesn't fail traversing the history
+      - uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java-ver }}
+          distribution: ${{ matrix.java-dist }}
+      # see: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
+      - uses: gradle/actions/setup-gradle@v4 # v4.0.0
+      - name: gradle integration test
+        run: ./gradlew --no-daemon -PmaxParallelForks=1 clean integrationTest
+
+  build-platform:
+    name: platform build with JDK=${{matrix.java-dist}}:${{matrix.java-ver}} on ${{matrix.hw_platform}}
+    strategy:
+      fail-fast: false
+      matrix:
+        java-ver: [11]
+        java-dist: ['temurin']
+        hw_platform: ['s390x']
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # so gradle doesn't fail traversing the history
+      - run: |
+          # install required qemu libraries
+          docker run --rm --privileged tonistiigi/binfmt:latest --install all
+          # run docker container with qemu emulation
+          docker run --rm \
+            --platform ${{ matrix.hw_platform }} \
+            --name qemu-cross-${{ matrix.hw_platform }} \
+            --mount type=bind,source=${PWD},target=/workspace \
+            --workdir /workspace \
+            ${{matrix.hw_platform}}/eclipse-temurin:11-jdk-focal uname -a; ./gradlew --no-daemon -PmaxParallelForks=1 build