config format_cf does not provide clear formatting for nested dicts

[clessig]

Describe the task. It can be a feature, documentation, etc.

The format_cf() function for printing the condif does not provide clear formatting for nested dicts, which are the standard in the revised config. The nested dicts should be printed in a clear, yaml-like syntax

Hedgedoc URL, if you are keeping notes, plots, logs in hedgedoc.

No response

Area

• datasets, data readers, data preparation and transfer
• model
• science
• infrastructure and engineering
• evaluation, export and visualization
• documentation

[tjhunter]

We should not have to invent anything here. We are using yaml and there are good options in python's yaml module for a human-readable output.