Add comprehensive Docker deployment and file upload functionality

Features Added:
• Docker containerization with multi-stage Python 3.12 build
• Caddy reverse proxy integration with automatic SSL
• File upload interface for .claude.json imports with preview
• Comprehensive hook system with 39+ hook types across 9 categories
• Complete documentation system with Docker and import guides

Technical Improvements:
• Enhanced database models with hook tracking capabilities
• Robust file validation and error handling for uploads
• Production-ready Docker compose configuration
• Health checks and resource limits for containers
• Database initialization scripts for containerized deployments

Documentation:
• Docker Deployment Guide with troubleshooting
• Data Import Guide with step-by-step instructions
• Updated Getting Started guide with new features
• Enhanced documentation index with responsive grid layout

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.dockerignore

@@ -0,0 +1,87 @@
+# Python cache and build artifacts
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual environments
+.venv/
+venv/
+ENV/
+env/
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Git
+.git/
+.gitignore
+
+# Docker
+Dockerfile*
+docker-compose*
+.dockerignore
+
+# Database files (will be created in volume)
+*.db
+*.sqlite
+*.sqlite3
+
+# Logs
+*.log
+logs/
+
+# Environment files (handled separately)
+.env*
+
+# Temporary files
+tmp/
+temp/
+.tmp/
+
+# Hook configuration files (generated)
+claude-hooks-*.json
+
+# Cache
+.cache/
+.pytest_cache/
+
+# Coverage reports
+htmlcov/
+.coverage
+.coverage.*
+
+# Node modules (if any)
+node_modules/
+
+# Documentation build
+docs/_build/