rewrote many files

made llm working

fixed issue with api-server

fixed issue with uv dockerfile

feat: enhance code similarity API with vector search, Discord scraping, and granular matching

fixed issues with not githurb url not procssing and findig similar regions

Prepare backend: self-contained Docker setup and requirements

feat: implement scalable submission buffering and parallel text extraction

feat: preprocessing options, README update, and code cleanup

Prepare deployment: add app.py and requirements for Hugging Face