Add blog post: MongoDB Data Archiving and Lifecycle Management

- Comprehensive tutorial on MongoDB data archiving strategies
- Temperature-based storage tiers (hot/warm/cold data)
- Automated retention policies with compliance integration
- SQL-style lifecycle management with QueryLeaf integration
- Incremental archival patterns and audit trail management
- Performance optimization and cost control strategies

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

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

Author: rathboma