Qt github action

build.yml

jobs:
  windows:
    runs-on: windows-2019

    steps:
    - name: Checkout
      uses: actions/checkout@v1
    - name: Prepare
      working-directory: build
      run: |
        curl -vLo qt-unified-windows-x86-online.exe http://download.qt.io/official_releases/online_installers/qt-unified-windows-x86-online.exe
        qt-unified-windows-x86-online.exe --verbose --script ..\ci\qt.qs
    - name: Configure
      working-directory: build
      run: cmake -DCPACK_IFW_ROOT=Qt/Tools/QtInstallerFramework/3.1 -DCMAKE_BUILD_TYPE=Release -G"Visual Studio 16 2019" ..
    - name: Compile
      working-directory: build
      run: cmake --build . --config Release -j 4
    - name: Package
      working-directory: build
      run: cmake --build . --config Release --target package