Underline
All the text formatted as underline will be rendered using <u /> tag, anywhere in the document.
The element receives text and key as parameter and should return node type value.
ℹ️
Node Type Value is anything that can be rendered: numbers, strings, elements or an array.
Pre-Defined Syntax
annotations: {
underline: (text, key) => (
<u key={key}>
{text}
</u>
),
}