PEFT template

[avishniakov]

Describe changes

This is a PEFT-driven template for LLM fine-tuning.

I had to heavily cut down the testing coverage since it is way too much workload to run fine-tuning of even small LLMs on GH runners.

Pre-requisites

Please ensure you have done the following:

• If my change requires a change to docs, I have updated the documentation accordingly.
• I have added tests to cover my changes.
• I have updated ref-zenml in .github/workflows/ci.yml accordingly (if you don't know - main would be a solid choice)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other (add details above)

[github-actions]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 37.8%, saving 83.97 KB.

Filename	Before	After	Improvement	Visual comparison
template/.assets/model.png	148.06 KB	92.78 KB	-37.3%	View diff
template/.assets/pipeline.png	73.97 KB	45.28 KB	-38.8%	View diff