v1.3.0

docs: Major README reorganization for better maintainability and UX

📚 MAIN README STREAMLINED (~400 lines, previously 976):
✅ Focus on multi-server orchestration and quick start
✅ Removed redundant individual server configurations
✅ Simplified deployment to highlight profiles and flexibility
✅ Kept cross-server integration examples (LibreChat/Cursor)
✅ Maintained unified network management value proposition

🔧 ENHANCED INDIVIDUAL SERVER READMEs:
✅ meraki-mcp-server/README.md:
  - Detailed .env configuration with step-by-step API key setup
  - Enhanced troubleshooting with container-specific diagnostics
  - Updated Docker deployment examples with project integration

✅ netbox-mcp-server/README.md:
  - Comprehensive NetBox API token creation instructions
  - Container-specific troubleshooting and SSL certificate handling
  - Docker deployment examples with multi-server profile references

✅ catc-mcp-server/README.md:
  - Detailed Catalyst Center prerequisites and RBAC requirements
  - Enhanced authentication troubleshooting and permission debugging
  - Network connectivity and container deployment guidance

🎯 IMPROVED STRUCTURE BENEFITS:
✅ No duplication - each piece of info in one logical place
✅ Better UX - quick start vs detailed configuration separated
✅ Easier maintenance - updates only needed in one place per topic
✅ Focused navigation - users can drill down as needed
✅ Professional documentation suite for enterprise adoption

Complete reorganization maintains all information while drastically improving usability and maintainability!