Add support for implicit delay selection and opt in to hedge options when using readPreference nearest.
For all queries with readPreference mode "nearest", pass hedge options of:
- count = 1
- delay = as computed by
|Update Doc||DOCS ticket||SERVER/DRIVER ticket|
|Read pref nearest|
|readHedgingMode (on/off) parameter|
|Blurb about driver helper methods and not connection string||