Update documentation for places pagination

[patrickarlt]

RE: #1117

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (33aba89) 100.00% compared to head (4f979c6) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1133   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          177       177           
  Lines         3245      3245           
  Branches       550       550           
=========================================
  Hits          3245      3245           

Files	Coverage Δ
...ages/arcgis-rest-places/src/findPlacesNearPoint.ts	100.00% <ø> (ø)
...s/arcgis-rest-places/src/findPlacesWithinExtent.ts	100.00% <ø> (ø)
...es/arcgis-rest-places/test/mocks/nearPoint.mock.ts	100.00% <ø> (ø)
...arcgis-rest-places/test/mocks/withinExtent.mock.ts	100.00% <ø> (ø)

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[patrickarlt]

@gavinr should be good now.

[gavinr-maps]

Overall looks good. I was doing some final searching and did find one additional place: in demos\node-places-api\nearPoint.mock.json it's still using the old format - but I'll update all those demo files in a follow-up PR (#1134).