Use artifacts dir and add NuGet package source mapping

.github/workflows/main.yml

@@ -147,4 +147,4 @@ jobs:
       run: dotnet pack --configuration Release -p:Version=${{ steps.version.outputs.version }}
     - name: Push to NuGet.org
       run: |
-        dotnet nuget push **/*.nupkg --api-key ${{ secrets.NUGET_API_KEY}} --source https://api.nuget.org/v3/index.json
+        dotnet nuget push artifacts/package/**/*.nupkg --api-key ${{ secrets.NUGET_API_KEY}} --source https://api.nuget.org/v3/index.json

.gitignore

@@ -1,5 +1,6 @@
 [Oo]bj/
 [Bb]in/
+artifacts/
 packages/
 *.suo
 *.user

Directory.Build.props

@@ -2,5 +2,6 @@
   <PropertyGroup>
     <LangVersion>13</LangVersion>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
+    <UseArtifactsOutput>true</UseArtifactsOutput>
   </PropertyGroup>
 </Project>

nuget.config

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <!--To inherit the global NuGet package sources remove the <clear/> line below -->
+    <clear />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+  </packageSources>
+
+  <packageSourceMapping>
+    <!-- key value for <packageSource> should match key values from <packageSources> element -->
+    <packageSource key="nuget.org">
+      <package pattern="*" />
+    </packageSource>
+  </packageSourceMapping>
+</configuration>