[IMG124] update packaging (!138) · Merge requests · Zhang, Chen / iMars3D · GitLab

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Zhang, Chen requested to merge IMG124_update_packaging into next Mar 22, 2022

Original Gitlab Story: IMG114

This PR introduces the following changes:

Deprecated setup.py in favor of setup.cfg and pyproject.tmol
Add meta.yml for build conda package
Follow the standard convention by renaming python to src
Update git ignore list
Add the following info to developer documentations
- how to release imars3d on PyPI and Conda
- how to setup local dev environment