docs: add AI Assistant (#5249)

* added components

* added ai assistant button

* change styling

* improve AI assistant

* change to a drawer

* added command support into search

* add AiAssistant to all projects

* remove usage of Text component

* added error handling

* use recaptcha

* fix new configurations

* fix background color

* change suggested questions

www/packages/docs-ui/src/components/Modal/Header/index.tsx

@@ -5,7 +5,7 @@ import { Button } from "@/components"
 import { XMark } from "@medusajs/icons"
 
 export type ModalHeaderProps = {
-  title?: string
+  title?: React.ReactNode
 }
 
 export const ModalHeader = ({ title }: ModalHeaderProps) => {