ci: add GitHub Actions workflow for CMake build & tests

Author: CameronBrooks11

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: CI
+
+on:
+  push:
+    branches: [dev, main]
+  pull_request:
+    branches: [dev, main]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential cmake ninja-build
+
+      - name: Configure CMake
+        run: cmake -S . -B build -DCRUMBS_ENABLE_TESTS=ON -DCMAKE_BUILD_TYPE=Release
+
+      - name: Build
+        run: cmake --build build --config Release -- -j 2
+
+      - name: Run tests
+        run: ctest --test-dir build --output-on-failure