v1.2.0

Release v1.2.0

New Features:
- System monitoring package for CPU, memory, disk, and container metrics
- AI package with LLM integration (Ollama support)
- Docker restart policy support in containers package
- SSL certificate generation improvements

Improvements:
- Simplified deployment scripts based on Featherweight pattern
- Refactored launch-app to use embedded scripts
- Better error handling in SSH operations

Bug Fixes:
- Fixed SSL certificate generation to match sky-castle pattern
- Cleaned up debug logging

This release adds significant new capabilities including system monitoring
and AI/LLM integration, making it easier to build advanced applications
with the DevTools framework.