add nuget.config

Author: v-fuquanli

NuGet.config

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <!-- used to store credentials -->
+  <!-- Used to specify which one of the sources are active -->
+  <!-- Used to disable package sources  -->
+  <!--
+  Used to specify default API key associated with sources.
+  See: NuGet.exe help setApiKey
+  See: NuGet.exe help push
+  See: NuGet.exe help mirror
+  -->
+  <packageRestore>
+    <add key="enabled" value="True" />
+    <add key="automatic" value="True" />
+  </packageRestore>
+  <packageSources>
+    <clear />
+    <!-- Auto generated file from Gardener Plugin CentralFeedServiceAdoptionPlugin -->
+    <add key="engineering_PublicPackages" value="https://pkgs.dev.azure.com/ceapex/engineering/_packaging/engineering_PublicPackages/nuget/v3/index.json" />
+  </packageSources>
+</configuration>