How to skip nuget.config

Developers who do not already have nuget and do not need to write a nuget.config file can use this one extra command to let nuget find the python package in the official nuget repository.

Author: ukanuk

Doc/using/windows.rst

@@ -1183,6 +1183,10 @@ using curl or PowerShell. With the tool, the latest version of Python for
    nuget.exe install python -ExcludeVersion -OutputDirectory .
    nuget.exe install pythonx86 -ExcludeVersion -OutputDirectory .
 
+Resolve error `Unable to find package 'python'` from a misconfigured `nuget.config` using::
+
+   nuget.exe sources add -Name "nuget.org" -source "https://api.nuget.org/v3/index.json"
+
 To select a particular version, add a ``-Version 3.x.y``. The output directory
 may be changed from ``.``, and the package will be installed into a
 subdirectory. By default, the subdirectory is named the same as the package,