SIGMON-321 added analysis function notebook

Context

• https://its.cern.ch/jira/browse/SIGMON-321
• Link for the refactored methods: https://gitlab.cern.ch/LHCData/lhc-sm-api/-/blob/sigmon_291_replace_signaltransformationbuilder/lhcsmapi/api/processing.py and https://gitlab.cern.ch/LHCData/lhc-sm-api/-/blob/sigmon_291_replace_signaltransformationbuilder/lhcsmapi/signal/features.py

What was done

• Wrote a notebook to show usages of calculate_features and SignalProcessing

TODO

• Add more cells?