v0.2.0: Add purpose_agent/__init__.py

Add YAML metadata to repo card

Add comprehensive README

Add demo.py

Add purpose_agent/orchestrator.py

Add purpose_agent/optimizer.py

Add purpose_agent/experience_replay.py

Add purpose_agent/purpose_function.py

Add purpose_agent/actor.py

Add purpose_agent/llm_backend.py

Add purpose_agent/types.py

Add purpose_agent package init

initial commit