Sample configuration for nuget/vscode to move that big and fat .nuget folder from c directory.

NuGet.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageRestore>
    <add key="enabled" value="True" />
    <add key="automatic" value="True" />
  </packageRestore>
  <config>
    <add key="https_proxy" value="http://127.0.0.1:3128/" />
    <add key="http_proxy" value="http://127.0.0.1:3128/" />
    <add key="globalPackagesFolder" value="e:\Entwicklung\.nuget" />
	<!-- <add key="repositoryPath" value="e:\Entwicklung\.nuget\packages" /> -->
  </config>
  <packageSources>
    <add key="nuget.org" value="https://www.nuget.org/api/v2/" />
    <add key="Local source" value="E:\Entwicklung\NuGet Repository" />
  </packageSources>
  <disabledPackageSources>
    <add key="Local source" value="true" />
  </disabledPackageSources>
  <activePackageSource>
    <add key="nuget.org" value="https://www.nuget.org/api/v2/" />
  </activePackageSource>
</configuration>