Update CI config

.github/workflows/macos.yml

@@ -0,0 +1,28 @@
+name: linux
+
+on: [push]
+
+env:
+  BUILD_TYPE: Release
+
+jobs:
+  build:
+    runs-on: macos-10.15
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Create Build Environment
+      run: cmake -E make_directory ${{runner.workspace}}/build
+
+    - name: Configure CMake
+      working-directory: ${{runner.workspace}}/build
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE
+
+    - name: Build
+      working-directory: ${{runner.workspace}}/build
+      run: cmake --build . --config $BUILD_TYPE
+
+    - name: Test
+      working-directory: ${{runner.workspace}}/build
+      run: ctest -C $BUILD_TYPE