FR: Option to use document title as implicit H1

[sevmonster]

The Show inline title feature shows the document filename in the document as an implicit H1. It would be nice to have a toggle in Quiet Outline to match this. This would allow subheadings to be folded properly.

For example, with Show inline title enabled:

With Show inline title disabled and an explicit H1 created:

However, if implemented, this feature should be turned off for notes that have a H1 a the first text in the note (or an option should be added to turn it off) so that the headings are not duplicated. This is also how ObsidianHtml does it.