updated nugets, fixed bugs, added .net 10 support, increased version to 4.0.0

updated nugets

removed redundand code

updated .net version to 9, code refactoring

updated .net to version 9

Update readme.md

added kml and geojson, some fixes

added color for default icon of the pin. fixed cluster tap on ios when disabled

added builder to LatLngBounds, made all clusters disabled by default

Update MPowerKit.GoogleMaps.csproj

fixed crash in heat maps

updated readme

fixed clusters icons. finished clusters sample

fixed clusters, added some clusters sample

fixed heatmap algorithm