feat: add pm2 and multi-agent orchestration commands
Add 6 new command files:
- pm2.md: PM2 process management for running multiple services
- multi-plan.md: Multi-agent planning orchestration
- multi-execute.md: Multi-agent parallel execution
- multi-backend.md: Backend-focused multi-agent workflow
- multi-frontend.md: Frontend-focused multi-agent workflow
- multi-workflow.md: General multi-agent workflow coordination
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Skyler Anderson