add uncertainty columns in the "ratios" table of report

[luiskuhn]

Report improvement: add a column in the output "ratios" table of the report, summarizing uncertainty per zone. Perhaps calculate average uncertainty per zone, and display that as additional columns for all classes.

Report:
https://github.com/qbic-pipelines/root-tissue-analysis/blob/dev/modules/containers/rtsstat/reporting.ipynb

[luiskuhn]

I would leave this task for a second release where we significantly improve the report