CI: add pipeline

Author: andreferra

.github/workflows/main.yml

@@ -0,0 +1,27 @@
+name: Build & Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install -y cmake ninja-build g++ libgtest-dev
+
+      - name: Configure CMake
+        run: cmake -S . -B build -GNinja -DENABLE_TESTING=ON
+
+      - name: Build
+        run: cmake --build build
+
+      - name: Run tests
+        run: ctest --test-dir build --output-on-failure