Enhance project wizard with comprehensive options
New features:
- Multi-line project brief input (saved to docs/PROJECT_BRIEF.md)
- Git remote options: Gitea, GitHub, both, or neither
- Syncthing sync/exclude option (auto-updates .stignore)
- Network access levels: local, Tailscale, public Internet
- Subdomain routing with Traefik config generation
- Database selection: SQLite, PostgreSQL, TimescaleDB, Redis
- License picker: MIT, Apache 2.0, proprietary
- .env.example generation from selected MCPs/databases
- Deploy script and deployment docs for web projects
- Auto-install gum if missing
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>