增加设置Text组件的maxLines,overflow属性

[WuJiuYou]

当显示toast时，如果文案过长会越界，希望通过设置maxLines属性，设置最多显示的行数。overflow可以默认设置成TextOverflow.ellipsis

[github-actions]

Thanks for taking the time to open an issue. I will have a look and answer as soon as possible.