Add ci action

.github/workflows/build.yml

@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y cmake build-essential
+
+    - name: Create build directory
+      run: mkdir build && cd build
+
+    - name: Configure CMake
+      run: cmake ..
+
+    - name: Build
+      run: cmake --build . --parallel 4