Users can accidentally hide info when resizing the app

[Jatraj1]

https://github.com/econ-RUBICS/RUBICS/blob/141fb6ee23d29554f9af956ebf12c15ac33f1584/RUBICS.py#L2856C1-L2856C1

Since the GUI doesn't scale when making the app bigger/smaller, why not set a size that isn't resizable or at least set a minimum size for the user not to hide necessary info?

window.TKroot.minsize(width,height)

[econ-RUBICS]

A good idea, I will try to implement :)