Added ci step for pushing packages to Nuget.org

.github/workflows/main.yml

@@ -49,3 +49,12 @@ jobs:
           path: |
             out/*.nupkg
             out/*.snupkg
+
+      - name: push to nuget.org
+        if: startsWith(github.ref, 'refs/tags/')
+        run: |
+          cd out
+          dotnet nuget push "*.nupkg" -k "$env:API_KEY"
+        shell: powershell
+        env:
+          API_KEY: ${{ secrets.NUGET_ORG_API_KEY }}

NuGet.config

@@ -1,11 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
+
 <configuration>
-  <packageSources>
-    <clear />
-    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
-    <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
-  </packageSources>
-  <disabledPackageSources>
-    <clear />
-  </disabledPackageSources>
+   <config>
+      <add key="defaultPushSource" value="https://api.nuget.org/v3/index.json" />
+   </config>
+   <packageSources>
+      <clear />
+      <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+      <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
+   </packageSources>
 </configuration>

Thinktecture.Runtime.Extensions.sln

@@ -18,6 +18,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "doc", "doc", "{21EB22DE-251
 		.github\workflows\ci.ps1 = .github\workflows\ci.ps1
 		.github\workflows\main.yml = .github\workflows\main.yml
 		.gitignore = .gitignore
+		NuGet.config = NuGet.config
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "samples", "samples", "{E6F200ED-86D2-4D5C-9D5F-34592908B107}"