Gets information about all of the versions of a bot.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/lex-models/get-bot-versions.html
| aws lex-models get-bot-versions --name ShoppingBot |
| AWS Chatbot Challenge: Create conversational, intelligent chatbots using Amazon Lex and AWS Lambda! - Devpost : http://awschatbot2017.devpost.com/forum_topics/6680-how-to-create-bot-definition-file-for-non-node-js-users |