Addition transfer process

Unknown user, first time landing page -> Browsing or contact formular for free.
While browsing present hint "If you are interessted in re-use or sharing, please register"
After frist registering user has the same browsing screen as without registering but hint is hidden and there should be a possibility to mark objects (studys) for re-use and a button "like to share". Pressing the button leads to a form with prefilled Reason, Name and Email.
Manager to set up Studys, DTP and give user permission to view DTP, edit Studys and add objects. If user is part of a known organisation, give permission to see all DUP and DTP+Studys+Objects of that organisation.

Start by mapping the landing page, browsing and contact form, registration flow, study/object actions, and manager and organisation permissions described in the issue. Define the separate anonymous, registered, manager, and organisation-member behaviours before implementation; done means each requested viewing, editing, sharing, and permission rule is supported.

Written by the indexing model from the issue text.