- Implement plugin registry architecture for zero-core-modification layer additions
- Add PluginLayer component for React-based plugin integration
- Create two example plugins: Weather Radar (WMS) and Earthquakes (USGS API)
- Add Settings panel controls for layer enable/disable and opacity
- Implement localStorage persistence for user preferences
- Include comprehensive developer documentation and API reference
This allows developers to add custom map layers without modifying core code.
Plugins are self-contained modules with metadata, lifecycle hooks, and cleanup.