Add basic GitHub action setup

.github/workflows/cmake.yml

@@ -0,0 +1,34 @@
+name: CMake
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  BUILD_TYPE: Release
+
+jobs:
+  build:
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install GitHub CLI
+        run: |
+          brew update
+          brew install llvm
+          ln -s "$(brew --prefix llvm)/bin/clang-format" "/usr/local/bin/clang-format"
+          ln -s "$(brew --prefix llvm)/bin/clang-tidy" "/usr/local/bin/clang-tidy"
+
+      - name: Configure CMake
+        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+      - name: Build
+        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+
+      - name: Test
+        working-directory: ${{github.workspace}}/build
+        run: ctest -C ${{env.BUILD_TYPE}}