Simplify setup with conda, address issue #104 and recurrent regressions caused by apt/python package changes
- Remove the custom bash script logic to install dependencies in favor of a single conda yaml file
- Docker build and CI yaml files updated to use the conda environment
- update Github Actions CI, and merge `push` and `pullrequest` yamls for Github actions; remove ADO yaml
- fix jupyter root
- run_all.sh starts jupyter from the source root dir
- Add conda dependencies: ORCA, xvfb, plotly::plotly-orca==1.3.1, xorg-x11-server-xvfb-cos6-x86_64
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Co-authored-by: William Blum <william.blum@microsoft.com>