[openFATE 308759] New Request Type: add or change user list

Feature changed by: Adrian Schröter (adrianSuSE) Feature #308759, revision 3 Title: New Request Type: add or change user list Buildservice: Evaluation Priority Requester: Desirable Projectmanager: Mandatory Requested by: Adrian Schröter (adriansuse) Description: OBS shall support a request to get added with a defined role in a project or package. In bugowner case this must replace the existing entry. + It must be effective to create one request for multiple places. For + example all glibc in maintained projects. -- openSUSE Feature: https://features.opensuse.org/308759