How can we log in the Platform Builder app?

How can we log in the Platform Builder app?

The Platform Builder app has been developed in a security environment, in a first step has been thought for a HoliDes users that can manage, create MTTS and instance HF-RTP.
The idea is that each user can create their own registration, in a friendly app. The credentials for the user allows to get all the instance HF-RTP and projects created by the user.