useContent()
The useContent() function retrieves the nearest content information for the current route. The returned object includes:
headings: ContentHeading[] | undefined;
menu: ContentMenu | undefined;
The headings array includes data about a markdown file's <h1> to <h6> html heading elements.
Menus are contextual data declared with menu.md files. See menus file definition for more information on the file format and location.