Support $geoNear includeLocs via GeoNearOperation.

See: [$geoNear](https://docs.mongodb.com/manual/reference/operator/aggregation/geoNear/index.html#pipe._S_geoNear)

Origin: [SO#66347263](https://stackoverflow.com/questions/66347263/how-to-use-includelocs-in-spring-mongo-template)