Refactor, clean and fix `createYOEOLabelsFromTORSO-21.py` script

[jaagut]

Proposed changes

• Add option to give destination-dir. Output will be written here.
• Add option --create-symlink to optionally write symlink files to the destination path. Useful for read-only dataset.
• Remove superset functionality.

Related issues

Partially resolves #61

Necessary checks

• [x] Update poetry package version semantically
• [X] Write documentation
• ~[ ] Create issues for future work~
• [x] Test on your machine

[jaagut]

TODOs:

• [x] destination_dir and symlinks as separate settings? (https://github.com/bit-bots/YOEO/pull/60#discussion_r1024481844)
• [x] Classes via yaml? (https://github.com/bit-bots/YOEO/pull/60#discussion_r1024478845)
• [x] Use exist_ok in os.makedirs (https://github.com/bit-bots/YOEO/pull/60#discussion_r1024456533)
• [x] Remove train/test split
• [x] Run on whole torso at once?
• [X] Write masks to yoeo_segmentations (https://github.com/bit-bots/YOEO/issues/61)
• [x] Add README documentation and examples
• [x] Bump poetry version

[jaagut]

Do we possibly want to rename this script?

[jaagut]

• [x] Still needs testing not using the --destination-dir flag