Prepare worflow for Release

Author: cezarypiatek

.github/workflows/release.yml

@@ -0,0 +1,78 @@
+name: release
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'Src/**'
+jobs:
+  build-extension:
+    runs-on: windows-latest
+    env: 
+        DOTNET_NOLOGO: true
+        DOTNET_CLI_TELEMETRY_OPTOUT: true
+        RepositoryUrl: 'https://github.com/${{ github.repository }}'
+        RepositoryBranch: '${{ github.ref }}'
+        SourceRevisionId: '${{ github.sha }}'
+        Configuration: Release
+        SolutionPath: Src\Tellurium.sln
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2   
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '2.0.x'
+    - name: Setup MSBuild.exe
+      uses: microsoft/setup-msbuild@v1.0.2
+    - name: Restore NuGet Packages
+      run: nuget restore $env:SolutionPath
+    - name: Calculate next version
+      uses: cezarypiatek/NextVersionGeneratorAction@0.4
+      with:
+        minor-pattern: '\bAdd\b'
+        patch-pattern: '.*'
+        output-to-env-variable: 'Version'
+    - name: Build solution
+      run: msbuild $env:SolutionPath /t:Rebuild
+    - name: Generate nuget packages
+      run: |
+        nuget pack Src\MvcPages\MvcPages.csproj.nuspec -NoPackageAnalysis -verbosity detailed -OutputDirectory ./dist -Version $env:Version -Properties Configuration=$env:Configuration
+        nuget pack Src\VisualAssertions\VisualAssertions.csproj.nuspec -NoPackageAnalysis -verbosity detailed -OutputDirectory ./dist -Version $env:Version -Properties Configuration=$env:Configuration
+    - name: Generate release note
+      run: |
+        git fetch --prune --unshallow
+        $commitLog = git log "$(git describe --tags --abbrev=0)..HEAD" --pretty=format:"- %s"
+        "What's new: `r`n`r`n$([string]::Join("`r`n",$commitLog))" | Out-File release_note.md -Encoding utf8
+    - name: Create Github Release
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ env.Version }}
+        release_name:  ${{ env.Version }}
+        body_path: release_note.md
+        draft: false
+        prerelease: false
+    - name: Upload Release Asset - Tellurium.MvcPages Nuget
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./dist/Tellurium.MvcPages.${{ env.Version }}.nupkg
+        asset_name: Tellurium.MvcPages.${{ env.Version }}.nupkg
+        asset_content_type: binary/octet-stream
+    - name: Upload Release Asset - Tellurium.VisualAssertions Nuget
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./dist/Tellurium.VisualAssertions.${{ env.Version }}.nupkg
+        asset_name: Tellurium.VisualAssertions.${{ env.Version }}.nupkg
+        asset_content_type: binary/octet-stream    
+    - name: Publish extension to Nuget
+      run: |
+        dotnet nuget push ./dist/*.nupkg -k ${{ secrets.NUGET_API_KEY }} -s https://api.nuget.org/v3/index.json