updating introMessage documentation to allow arrays

website/docs/docs/messages/messages.mdx

@@ -76,13 +76,14 @@ import Tabs from '@theme/Tabs';
 
 ### `introMessage` {#introMessage}
 
-- Type: \{`text?: string`, `html?: string`\}
+- Type: \{`text?: string`, `html?: string`\} | `Array`
 
 Initial `ai` message that is displayed when the chat is loaded. It is different to [`history`](#history) as it will not trigger
 the [`onMessage`](/docs/events#onMessage) listener, will not be part of the returned messages when [`getMessages`](/docs/methods#getMessages) is called and
 is not taken into consideration when calculating [`requestBodyLimits`](/docs/connect#requestBodyLimits). <br />
 `html` is used to render [custom code](/docs/messages/HTML) and can be coupled with a [`deep-chat-temporary-message`](/docs/messages/HTML#deepChatClasses)
-class to make this message disappear after a new one is added.
+class to make this message disappear after a new one is added. <br />
+This can either be defined as an object for one message, or as an array for multiple ones.
 
 #### Example