Release v0.2.2

Version 0.2.1: Bug fixes + IEEE citation system

Critical bug fixes:
- Ollama API compatibility
- Document ingestion fixes
- Docker health check
- Default model update

Major enhancement:
- IEEE citation system with page tracking for PDFs
- Numbered citations [1], [2], [3]
- Automatic reference list formatting

ragged v0.2.0

Web UI, Hybrid Retrieval, Performance Optimizations

- FastAPI + Gradio web interface
- BM25 + Vector hybrid search with RRF
- Few-shot prompting
- Contextual chunking
- LRU caching + async processing
- 262 tests, 68% coverage
- 10.5h development (6-8x faster than estimated)

See CHANGELOG.md for full details.