Link - Supernote

When Element has type === 600, element.link provides link details.

Link.linkType indicates the link type read from the file. Supported linkType ranges may differ across write APIs; for example, parameter validation in insertTextLink and modifyLassoLink currently only allows 0..4.

Field	Type	Description
`category`	`number`	Link category: `0` text link, `1` stroke link
`X`	`number`	Top-left X (pixel coordinates)
`Y`	`number`	Top-left Y (pixel coordinates)
`width`	`number`	Width (pixels)
`height`	`number`	Height (pixels)
`page`	`number`	Page number where the link is located
`style`	`number`	Style: `0` solid underline, `1` solid border, `2` dashed border
`linkType`	`number`	Type: `0` note page, `1` note file, `2` document, `3` image, `4` URL, `6` digest
`destPath`	`string`	Destination path (when `linkType === 4`, this is the URL)
`destPage`	`number`	Destination page (mainly used when `linkType === 0`)
`fontSize`	`number`	Font size (text link)
`fullText`	`string`	Full text (text link)
`showText`	`string`	Display text (text link)
`italic`	`number`	Italic: `0` no, `1` yes (text link)
`controlTrailNums`	`number[]`	Stroke index list (stroke link)