Post on Habré, like (idea manager)?

Question

Habr

There was an implementation of a small "idea manager". That is, you create a field, you can add a parallel field to it, and it will appear from below or above, or you create an inherited field and it appears on the right.
I am attaching an example.

This article was on Habré.

Answer 1

what is googled on the picture
www.radioportal.ru/articles/10568/habrahabr-kak-vo...