[IMG152] rewrite gamma filter for new imars3d

Zhang, Chenrequested to merge
IMG152_modernize_gamma_filter into next
  • original Gitlab story: IMG152

This PR introduces the following changes:

  • setup a new package to store new version of imars3D (rewrite attempt)
  • add unit test for gamma_filtering
  • add implementation for gamma_filtering
  • add new dependencies for downloading example image from scikit-image

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