Add dynamic fields to event registration

etc/teckids.ldif

@@ -33,8 +33,9 @@ olcAttributeTypes: {28}( 1.3.6.1.4.1.43729.2.1.29 NAME 'teckidsProjectFeedbackAs
 olcAttributeTypes: {29}( 1.3.6.1.4.1.43729.2.1.30 NAME 'teckidsSettingsBirthdayMailDays' DESC 'Days in advance to receive birthday mails for' EQUALITY integerMatch ORDERING integerOrderingMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE )
 olcAttributeTypes: {30}( 1.3.6.1.4.1.3401.8.2.11 NAME 'pgpKey'  DESC 'pgpKey attribute for PGP'  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26  SINGLE-VALUE  X-ORIGIN 'Pretty Good Privacy (PGP)' )
 olcAttributeTypes: {31}( 1.3.6.1.4.1.43729.2.1.31 NAME 'teckidsPaedaGoals' DESC 'Pedagogic: Goals' EQUALITY caseExactIA5Match SUBSTR caseExactIA5SubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 SINGLE-VALUE )
+olcAttributeTypes: {32}( 1.3.6.1.4.1.43729.2.1.32 NAME 'teckidsProjectRegistrationField' DESC 'Additional field for event registration' EQUALITY caseExactMatch SUBSTR caseExactSubstringsMatch ORDERING caseExactOrderingMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )
 olcObjectClasses: {0}( 1.3.6.1.4.1.43729.1.1.1 NAME 'teckidsPerson' DESC 'inetOrgPerson extension' AUXILIARY MAY ( dateOfBirth $ anmMessageId $ sshAuthorizedKey $ qualiErsthelfer $ qualiFuehrungszeugnis $ qualiJugendleiter $ qualiLPIC $ teckidsLatitude $ teckidsLongitude $ teckidsCashAccount $ teckidsMemberSince $ teckidsMemberUntil $ teckidsMemberDues $ teckidsMemberDuesSEPA $ iBAN $ bIC $ c $ astPin $ guardian $ teckidsHour $ teckidsSettingsBirthdayMailDays $ pgpKey $ teckidsPaedaGoals ) )
 olcObjectClasses: {1}( 1.3.6.1.4.1.43729.1.1.2 NAME 'teckidsGroup' DESC 'groupOfNames extension' AUXILIARY MAY ( jpegPhoto $ teckidsRosterGroup $ teckidsChatroom $ astQueuePhone $ displayName ) )
 olcObjectClasses: {2}( 1.3.6.1.4.1.43729.1.1.3 NAME 'teckidsSchule' DESC 'organization extension' AUXILIARY MUST ( o $ businessCategory $ c $ st $ street $ postalCode $ l ) MAY ( mail $ schulnummer $ teckidsLatitude $ teckidsLongitude ) )
-olcObjectClasses: {3}( 1.3.6.1.4.1.43729.1.1.5 NAME 'teckidsProject' DESC 'group for a project or event' AUXILIARY MUST ( l $ teckidsProjectDate $ teckidsProjectCost $ description ) MAY ( c $ teckidsProjectMaxParticipants $ teckidsProjectRegistrationDeadline $ teckidsProjectRetractionDeadline $ teckidsProjectFeedbackAspect $ displayName ))
+olcObjectClasses: {3}( 1.3.6.1.4.1.43729.1.1.5 NAME 'teckidsProject' DESC 'group for a project or event' AUXILIARY MUST ( l $ teckidsProjectDate $ teckidsProjectCost $ description ) MAY ( c $ teckidsProjectMaxParticipants $ teckidsProjectRegistrationDeadline $ teckidsProjectRetractionDeadline $ teckidsProjectFeedbackAspect $ teckidsProjectRegistrationField $ displayName ))
 olcObjectClasses: {4}( 1.3.6.1.4.1.43729.1.1.4 NAME 'teckidsParent' DESC 'marks person as a parent' AUXILIARY )