* Implement loading spinner for marking as favorite
* Ensure that the correct previous icon gets set
* Remove delay
* Improve compatibility with various parsers
Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>
* Support multiple icons (top, bottom)
* Remove preload for now
* Fix CSS, remove !important
* Implement read/unread and alt
* Ensure correct bookmark icon gets set after error
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Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>