* Get title, author and number of pages from document's metadata
* Add exportable_title parsed from document's title, used in export file generation.
* JSON: export number of pages
Changed:
- select multiple targets and export to them in a single click.
- local targets (html, json and text) now are timestamped. Exporting booknotes on already exported documents will generate a new file with all the highlights present at export time. Previous files won't be deleted.
Fixed:
- chapters are now correctly represented in html output.
- json issues when exporting the whole history.
- joplin and readwise crashes when they're unable to reach the server
- joplin update notes mechanism.
- joplin is able to recreate the notebook if the user deletes or renames its current one.
- highlights of read-only documents are also added when exporting the whole history (affects mostly android, might affect desktop targets)
Co-authored-by: Utsob Roy <roy@utsob.me>
