Set credentials and remembering ApiKey
nuget sources
Registered Sources:
1. nuget.org [Enabled]
https://www.nuget.org/api/v2/
2. mynexusserver [Enabled]
http://address:port/nexus/service/local/nuget/MyNuGetRepo/
nuget sources update -name mynexusserver -source http://address:port/nexus/service/local/nuget/MyNuGetRepo/ -username user -password pass
nuget setapikey your-api-key -source http://address:port/nexus/service/local/nuget/MyNuGetRepo/