langchain

ae81b96b - Detailed using the Twilio tool to send messages with 3rd party apps incl. WhatsApp (#6562)

Detailed using the Twilio tool to send messages with 3rd party apps incl. WhatsApp (#6562) Everything needed to support sending messages over WhatsApp Business Platform (GA), Facebook Messenger (Public Beta) and Google Business Messages (Private Beta) was present. Just added some details on leveraging it.