Add CI pipeline using Github Actions

Author: diegoferigo

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: C++ CI Workflow
+
+on: [push, pull_request]
+
+jobs:
+  # Job that builds, configures, and tests the repository
+  build:
+    name: '[${{ matrix.os }}@${{ matrix.build_type }}]'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        build_type: [Debug, Release]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+
+    steps:
+    # Clone the repository in $GITHUB_WORKSPACE
+    - uses: actions/checkout@master
+
+    # Note: we use bash also on Windows in order to have the same commands such
+    #       as cd, mkdir, etc in all OSs.
+
+    - name: Configure
+      shell: bash
+      run: |
+        mkdir -p build
+        cd build    
+        cmake -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} ..
+
+    - name: Build
+      shell: bash
+      run: |
+        cd build
+        cmake --build . --config ${{ matrix.build_type }}
+
+    - name: Test
+      shell: bash
+      run: |
+        cd build
+        cmake -DBUILD_TESTING:BOOL=ON .
+        cmake --build . --config ${{ matrix.build_type }}
+        ctest --output-on-failure -C ${{ matrix.build_type }} .