add workflow build and publish NuGet

Author: jjw24

.github/workflow/build_publish.yml

@@ -0,0 +1,46 @@
+name: Build & Publish
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  workflow:
+    runs-on: windows-latest
+    
+    steps:
+    - uses: actions/checkout@v2
+    
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 7.0.x
+    
+    - name: Restore dependencies
+      run: dotnet restore
+   
+    - name: Build
+      run: dotnet build --no-restore -c Release
+    
+    - name: Upload Artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: ChefKeys
+        path: Output/Release/
+    
+    # - name: Publish To NuGet 
+      # if: ${{ github.ref == 'refs/heads/main' }}
+      # run: nuget push Output\Release\*.nupkg -Source 'https://api.nuget.org/v3/index.json' -ApiKey ${{secrets.PUBLISH}}
+    
+    # - name: Get Version
+      # if: ${{ github.ref == 'refs/heads/main' }}
+      # run: |
+        # $version = [System.Diagnostics.FileVersionInfo]::GetVersionInfo("Output\Release\ChefKeys.dll").ProductVersion
+        # echo "RELEASE_VERSION=$version" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf-8 -Append
+    
+    # - name: Publish To GitHub Releases
+      # if: ${{ github.ref == 'refs/heads/main' }}
+      # uses: softprops/action-gh-release@v1
+      # with:
+        # files: "Output\\Release\\*.nupkg"
+        # tag_name: "v${{ env.RELEASE_VERSION }}"