Vtk-js: [Feature Request] vtkFollower

[xavArtley]

Hello, one of our panel user would like to use a vtkFollower, I think it can be an intersting feature for various vtk.js users so I open an issue here.
vtkFollower :
"vtkFollower is a subclass of vtkActor that always follows its specified camera. More specifically it will not change its position or scale, but it will continually update its orientation so that it is right side up and facing the camera."

[jourdain]

@martinken what do you think?

[martinken]

Yes, certainly a useful class.

[xavArtley]

Thx @martinken

[GilShoshan94]

Thank you so much ! @martinken @jourdain @xavArtley