v0.3.3

N: add smbclient PHP extension for external storage support
N: add to Webserver > Auxparam:
setenv.set-response-header = ("Referrer-Policy"=>"no-referrer")
url.redirect = (
"^/.well-known/caldav" => "/nextcloud/remote.php/dav",
"^/.well-known/carddav" => "/nextcloud/remote.php/dav"
)
to prevent application warnings
C: update Spanish translation