Eike Kettner 709848244c Create tasks to generate all previews
There is a task to generate preview images per attachment. It can
either add them (if not present yet) or overwrite them (e.g. some
config has changed).

There is a task that selects all attachments without previews and
submits a task to create it. This is submitted on start automatically
to generate previews for all existing attachments.
2020-11-08 23:46:02 +01:00
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2020-11-08 23:46:02 +01:00