Add nuget.

.github/workflows/nuget.yml

@@ -0,0 +1,33 @@
+name: Deploy to nuget
+
+on:
+  push:
+    tags:
+    - 'v*' 
+
+env:
+  PACKAGE_OUTPUT_DIRECTORY: ${{ github.workspace}}\output
+  NUGET_SOURCE_URL: ${{ github.workspace}}\output
+
+jobs:
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: 8.0.x
+
+      - name: Restore dependencies
+        run: dotnet restore  
+
+      - name: Build
+        run: dotnet build --no-restore --configuration Release
+
+      - name: Pack
+        run: dotnet pack --no-restore --no-build --configuration Release --include-symbols -p:PackageVersion=${{github.ref_name}} --output ${{ env.PACKAGE_OUTPUT_DIRECTORY}}
+
+      - name: Push
+        run: dotnet nuget push ${{ env.PACKAGE_OUTPUT_DIRECTORY}}\*.nupkg -k -s ${{secrets.NUGET_AUTH_TOKEN}} ${{ env.NUGET_SOURCE_URL}}