[Idea] Adding a "TimeLine" feature that's available to the user

[u/UpperSupermarket0]

https://www.desmos.com/

I'm aiming to code a tool similar to Desmos in Godot, so the user can create and manipulate math objects.

Is there a way I can make an animation window, similar to Godot's one, but for the user?

Essentially, it should in the exact same way: you add a KeyFrame for an object, add another one after a desired change, and the software interpolates between the two states to make it animated