Extend rentalcar support

Summary:

• Add telephone to place based on https://schema.org/Place
• Add rentalCompany (Organization)
• Add Brand type, and support it on rentalcar

Reviewers: vkrause, mlaurent

Reviewed By: vkrause

Subscribers: kde-pim

Tags: KDE PIM

Differential Revision: https://phabricator.kde.org/D15067