Basic usage.

Set custom avatar by avatar prop, set the placement of the message by placement prop, which has two preset values: start and end.

Use header and footer properties to set the header and footer of the bubble content.

Control the loading state by loading prop.

Enable typing output by setting the typing prop. If the updated content is a subset of the previous content, it will continue to output, otherwise it will output again.

Cooperate with markdown-it to achieve customized rendering content.

Set the style variant of the bubble through the variant property.

Set the shape of bubble through shape.