feat: Complete MCP ecosystem setup for JetsonMind

- Added filesystem, git, and sqlite MCP servers to Q CLI
- Updated MCP server scripts to use correct core/ directory paths
- Fixed phase3-admin and phase3-inference server configurations
- Created data/ directory for SQLite database storage
- Integrated 7 MCP servers: JetsonMind core + development tools
- All servers configured and tested with Python 3.10.12 environment

MCP Servers configured:
- phase3-inference: JetsonMind unified MCP server
- phase3-admin: JetsonMind admin interface
- filesystem: File operations for model management
- git: Version control integration
- sqlite: Local database for session persistence
- aws-documentation: AWS service docs
- playwright: Browser automation

Ready for production JetsonMind development workflow.

Author: DunaSpice