Isosurface Frontend v1.0

[jfrohnhofen]

create an initial frontend version for isosurface generation to iterate on

the current POC implementation can be found here:
#3439

right now there are two barnches (isosurface and isosurface-testing). The former contains the backend; the latter also contains the code for triggering the server request and to test things.

frontend:

• proper shading / lightning by adding working? lights to the scene
• and maybe we want to use smooth shading? (see https://en.wikipedia.org/wiki/Shading#Flat_vs._smooth_shading)