You can customize the text and link for the previous and next pages (shown at doc footer). This is helpful if you want a different text there than what you have on your sidebar. Additionally, you may find it useful to disable the footer or link to a page that is not included in your sidebar.
Specifies the text/link to show on the link to the previous page. If you don't set this in frontmatter, the text/link will be inferred from the sidebar config.