ci: add github actions build and test workflow

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  build-and-unit:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install deps (Ubuntu)
+        if: runner.os == 'Linux'
+        run: sudo apt-get update && sudo apt-get install -y lsof
+
+      - name: Build
+        run: make clean && make
+
+      - name: Unit tests
+        run: make test-unit
+
+  integration:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install deps
+        run: sudo apt-get update && sudo apt-get install -y lsof
+
+      - name: Build
+        run: make clean && make
+
+      - name: Integration tests
+        run: make test-integration