botauth is now deprecated in favor of using the built-in OAuth capabilities of the Bot Framework.
https://docs.microsoft.com/en-us/azure/bot-service/bot-builder-tutorial-authenticationBotAuth is a set of libraries for .NET and Node that simplifies the process of performing OAuth and establishing an identity in a project built with the Bot Framework and BotBuilder packages. Please use the links below for documentation on BotAuth specific to .NET or Node