ci: add github action

.github/workflows/main.yml

@@ -0,0 +1,23 @@
+name: Continuous integration
+on: [push, pull_request]
+jobs:
+  build_tutorial:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download Bazelisk
+        run: sudo curl -Lo /usr/local/bin/bazel https://github.com/bazelbuild/bazelisk/releases/download/v1.19.0/bazelisk-linux-amd64
+
+      - name: Make Bazelisk executable
+        run: sudo chmod +x /usr/local/bin/bazel
+
+      - name: Verify Bazelisk installation
+        run: bazel --version
+
+      - name: Install OS library dependencies
+        run: sudo apt-get install -y libsasl2-dev libssl-dev libsnappy-dev libzstd-dev
+
+      - name: Check out repository
+        uses: actions/checkout@v4.1.1
+
+      - name: Build the tutorial target
+        run: bazel build :tutorial