Hide certain data in logs


## Feature
Hide certain data from the log file, like stem tx hashes or onion addresses, with an option to show these details. 

## Why
To prevent the log file from being a target.

## Additional context
arti has a crate for this: https://docs.rs/safelog/latest/safelog/index.html

and some guideline for arti: https://tpo.pages.torproject.net/core/arti/contributing/for-developers/logging/
