[Feature request] Option to auto-bookmark closed tabs

[sonofevil]

I think it would be a good idea to add an option to create a folder with bookmarks as an archive for pages automatically closed by the extension. This would allow users to have an archive that is independent of the list accessible through the extension itself, which can easily be lost when the extension is uninstalled for whatever reason. For me especially this would be a good way to deal with having too many pinned tabs, which are already a kind of semi-bookmark to me. There does not currently seem to be any extension that converts old pinned tabs to bookmarks, and this one seems to be the closest to being there, so I would greatly appreciate such a feature.

Related: The time I entered in the options was 43200 minutes, i.e. 30 days. It worked but it would be a lot nicer if there was a way to enter it in a sane format, like days. Perhaps there could be a drop down for selecting the time unit. Also it would make more sense for my use case if there was a way to handle pinned and unpinned tabs separately, with different rules for each. I do not preserve unpinned tabs between sessions anyway, so none ever gets 30 days old. This only happens with pinned tabs.