feat: implement OpenFreeMap vector styles and a hybrid Sentinel-2 basemap with dynamic label visibility, replacing previous basemap options.

refactor: migrate mapping functionality from Leaflet to mapgl and sf, updating dependencies, UI, and server logic for new basemap options.

refactor: Rename station filter, date range, and resolution input IDs for clarity.

feat: Implement JMA weather plotting functions for temperature, precipitation, and wind, and integrate them into the UI.

first commit