finally i added a hint/warning for upgrading from <0.6.0 to manually rework the database according to https://github.com/nextcloud/user_external/issues/64#issuecomment-483224020 since it is the clearest statement i found about this topic (and it seems to work for a bunch of other guys and myself).
since there is no other doc or wiki i added it directly to the IMAP part of the main readme... anywhere else it would be pretty useless.
maybe it is enough to close #64...?
additionally added a general warning to make sure to have unique uids.
finally i added a hint/warning for upgrading from <0.6.0 to manually rework the database according to https://github.com/nextcloud/user_external/issues/64#issuecomment-483224020 since it is the clearest statement i found about this topic (and it seems to work for a bunch of other guys and myself). since there is no other doc or wiki i added it directly to the IMAP part of the main readme... anywhere else it would be pretty useless. maybe it is enough to close #64...?
additionally added a general warning to make sure to have unique
uids.