Conversational Components - Welcome Messages / Ice Breakers / Commands

[aindot]

When a user start's a chat with the business, a webhook is called to the server to request a welcome message.
Welcome message can be enabled / disabled.

Ice Breakers are a predefined prompts that a user can choose from, they are set by API request to Meta.
Max of 4 prompts, max of 80 characters. Emojis are not supported.

Commands are a predefined options that starts with forward slash '/' which include a name and a description, they are set by API request to Meta.
Max of 30 commands, max of 32 characters. For description max of 256 characters. Emojis are not supported.

Reference: docs/Whatsapp/cloud-api

[aalbarca]

Hi @aindot could you open a PR with changes? Thanks!