publish tagged releases to nuget

Author: tocsoft

.github/workflows/dotnet.yml

@@ -48,9 +48,11 @@ jobs:
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: 3.1.x
+    
     - name: Publish to Myget
       run: dotnet nuget push packages/*.nupkg -s https://www.myget.org/F/tocsoft/api/v2/package -ss https://www.myget.org/F/tocsoft/symbols/api/v2/package -k ${{secrets.MYGET_KEY}}
 
     - name: Publish to nuget
       if: contains(github.ref, 'refs/tags/')
-      run: echo "publish to nuget here!!!"
+      run: dotnet nuget push packages/*.nupkg -s https://api.nuget.org/v3/index.json -k ${{secrets.NUGET_KEY}}
+