Add Continuous Integration via GitHub Actions workflow (PR#359 by alexey-lysiuk)

.github/workflows/continuous_integration.yml

@@ -0,0 +1,71 @@
+name: Continuous Integration
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: "Visual Studio ${{ matrix.platform }} ${{ matrix.configuration }}"
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        configuration: [Release, Debug]
+        platform: [x64, x86]
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Build
+      run: |
+        $vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
+        $msbuild = & "$vswhere" -latest -requires Microsoft.Component.MSBuild -find MSBuild\**\Bin\MSBuild.exe | select-object -first 1
+        $options = @( `
+          '-property:Configuration=${{ matrix.configuration }}', `
+          '-property:Platform=${{ matrix.platform }}', `
+          '-property:WindowsTargetPlatformVersion=10.0', `
+          '-property:PlatformToolset=v142', `
+          '-maxcpucount', `
+          '-verbosity:minimal' `
+        )
+        & $msbuild Builder.sln $options
+        & $msbuild Source\Tools\Updater\Updater.csproj $options
+
+    - name: Test Files Presence
+      run: |
+        $files = @( `
+          'Build\Builder.exe', `
+          'Build\BuilderNative.dll', `
+          'Build\Plugins\AutomapMode.dll', `
+          'Build\Plugins\BuilderEffects.dll', `
+          'Build\Plugins\BuilderModes.dll', `
+          'Build\Plugins\ColorPicker.dll', `
+          'Build\Plugins\CommentsPanel.dll', `
+          'Build\Plugins\NodesViewer.dll', `
+          'Build\Plugins\SoundPropagationMode.dll', `
+          'Build\Plugins\StairSectorBuilder.dll', `
+          'Build\Plugins\TagExplorer.dll', `
+          'Build\Plugins\TagRange.dll', `
+          'Build\Plugins\ThreeDFloorMode.dll', `
+          'Source\Plugins\VisplaneExplorer\Resources\vpo.dll', `
+          'Build\Plugins\VisplaneExplorer.dll', `
+          'Build\Updater.exe' `
+        )
+        foreach($file in $files)
+        {
+          if (!(Test-Path -Path $file -PathType Leaf))
+          {
+            Write-Output "ERROR: File $file is missing"
+            exit 1
+          }
+        }
+
+    - name: Prepare Package
+      run: |
+        # Delete unwanted files
+        Remove-Item Build\Setup -recurse
+
+    - name: Upload Package
+      uses: actions/upload-artifact@v1
+      with:
+        path: Build
+        name: "vs_${{ matrix.platform }}_${{ matrix.configuration }}"