message: Adding Chatbase shutdown
  Chatbase, an analytics suite for Dialogflow and other chatbots, is shutting down in Sept 2021:
diff: -[
  +[ {
  + "dateClose": "2021-09-27",
  + "dateOpen": "2017-11-01",
  + "description": "An analytics platform for chatbots, mainly used for Google's own Dialogflow AI chatbot service. Started by the Google-funded Area120 incubator. Some of its features were moved into the Dialogflow console itself.",
  + "link": "https://web.archive.org/web/20210701153646/https://chatbase.com/documentation/docs-overview",
  + "name": "Chatbase",
  + "type": "service"
  + },
  {
  "dateClose": "2021-03-31",
  "dateOpen": "2010-01-01",
  