V3.0.0

This release marks a major milestone for CryptoSights.

v3.0.0 introduces a production-ready deployment architecture with
Docker-based containerization and Hugging Face Spaces support.

Key highlights:

Fully containerized application using Docker
Stable, high-memory deployment target via Hugging Face Spaces
Persistent NLP index and stateful backend support
NLTK resources baked into the Docker image
Clear deployment documentation (DEPLOYMENT.md)
Repository cleanup and improved project structure
Updated README with deployment and usage details
This release focuses on infrastructure, stability, and long-term
maintainability rather than feature changes.

Recommended starting point for all deployments going forward