add a map query endpoint that will return values of all visible layer that interect the lat&lon coordinates

[iferencik]

Feature Description

Currently querying is heterogenous and implemented at map layer for raster layers and internally inside maplibre for vector layers.
For interoperability reasons it is necessary to qury a given map specified using GeoHub map in an arbitraty geographic location.

Feature Implementation

the endpoint neesd to accepr three parameters

query?mapid=&lon=&lat=

the returned JSON needs to be presented as a JSON object with layer ids as proeprry names and a lits containing one or more values

Feature Alternatives

No response

Feature Impact

No response

Feature Rationale

No response

Feature Considerations

No response

Feature Requirements

No response