[SIGMON-199] CI Documentation
Context
What was done
- Markdown file created: https://gitlab.cern.ch/LHCData/lhc-sm-hwc/-/blob/SIGMON-199_CI_docs/doc/notebooks_testing.md
TODO
- ?
QA
- not related
Review objectives
- ? assessment of code functionality
- ? assessment of code quality
- ? identifying potential refactorings / logic common to other projects
- ? knowledge sharing