I need a simple panel and I don’t quite know how to set it up

Hi, can someone guide me, help me?
I need a simple panel and I don’t quite know how to set it up.

It is possible to display the following fields immediately after logging in to the panel:

room 1
room 2
room 3

and one option for each.

Just add them to site.yml inside the folder /site/blueprints as is described in this guide: