nuget in /src for Microsoft.Extensions.Configuration.UserSecrets, Microsoft.Extensions.DependencyInjection, Microsoft.Extensions.DependencyInjection.Abstractions, Microsoft.Extensions.Logging.EventSource - Update #1579561045

nuget in /src for Microsoft.Extensions.Configuration.UserSecrets, Microsoft.Extensions.DependencyInjection, Microsoft.Extensions.DependencyInjection.Abstractions, Microsoft.Extensions.Logging.EventSource - Update #1579561045 #1469