Matt McCormick

A File can be created with `new File([arrayBuffer], "file.dcm")`. These can be passed to readImageDICOMFileSeries in itk.js, which can be converted to a vtkImageData for vtk.js.

Rebased

@romangrothausmann great! Yes, please go ahead and force-push.

@romangrothausmann awesome! @richardbeare would be wonderful to get your review.

It looks like some test baselines need to be updated and other tests are not generating baselines. @romangrothausmann do all tests pass locally?

Initial step: https://github.com/OpenImaging/miqa/issues/55

In addition to #473, and surface generation, both of which would be good to address, #936 is of interest here. The label map and the image are sampled on the...