v2.1.0 - Streamlit Demo & CI/CD

What's New

Added

• 🎮 Streamlit Web Application - Live demo at https://classifier-questions-stackoverflow.streamlit.app/
• 🔄 GitHub Actions CI/CD - Automated lint, test (Python 3.10 & 3.11), and build
• 🐳 Docker Support - Multi-stage Dockerfile and docker-compose
• 📦 Heroku Deployment - Procfile and runtime.txt ready
• 📝 CHANGELOG.md - Version history following Keep a Changelog
• 🤝 CONTRIBUTING.md - Contribution guidelines
• 📊 Sample Data - 20 example questions for testing

Fixed

• Code formatting with black and isort
• Test fixtures for small sample datasets
• Build system for isolated environments

Documentation

• Dynamic CI status and Live Demo badges
• Updated contact information and URLs
• Corrected dates to January 2026

Links

• Live Demo: https://classifier-questions-stackoverflow.streamlit.app/
• API Docs: Run locally at http://localhost:8000/docs