There is a proposal to allow users to filter files shared to circles. This commit is needed to provide the infrastucture for it.
Issue: https://github.com/nextcloud/circles/issues/137
Changes to comply to https://github.com/coletivoEITA/circles/pull/2
Polishing: get files shared to circles in caldav
Signed-off-by: Vinicius Cubas Brand <viniciuscb@gmail.com>
Signed-off-by: Maxence Lange <maxence@artificial-owl.com>
Signed-off-by: Morris Jobke <hey@morrisjobke.de>