Add comprehensive competitive analysis vs TomTom and Google Maps MCP servers

Technical deep-dive comparing Mapbox MCP Server against competitors:

Key Findings:
- Mapbox: 24 tools (most comprehensive)
- TomTom: 11 tools
- Google Grounding Lite: 3 tools
- Google Community: 7 tools

Mapbox Unique Strengths:
- 9 offline geospatial tools (only server with offline capabilities)
- Most sophisticated routing (multi-waypoint, exclusions, constraints)
- Only server with map matching for GPS trace cleanup
- Only server with travel time matrices
- Production-ready monitoring (OpenTelemetry)
- MCP protocol leadership (Resources, MCP-UI, Elicitations in progress)

Competitor Strengths:
- TomTom: Real-time traffic incidents (unique)
- Google Grounding: Weather data (unique)
- Google Community: Reviews/ratings, elevation data

Document includes:
- Complete tool inventory for all servers
- Feature comparison matrices
- Use case fit analysis
- Deployment options
- Pricing comparison
- Roadmap (mentions elicitations in progress - PRs #98, #99)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: mattpodwysocki