feat(linzjs-geojson): add iterate and truncate utilities for geojson #3340
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Motivation
We have had a need to reproject and truncate geojson objects and instead of copying the logic into multiple locations add it to the geojson helper we have here.
Modifications
Add truncate to truncate lat lon pairs to by default 8 decimal places
Add iterate to iterate over all the points in a geojson feature
Verification
unit tests and is currently in use in other code bases.