CII Gold: two-person review (#81)
CII Gold: two-person review (#81)

Re: #69

# Goal
Document [two-person review](https://bestpractices.coreinfrastructure.org/en/projects/92?criteria_level=2#quality) process.

Signed-off-by: Roderick Monje <f9f03903429036ef609ed7ca822fddfa76155c29@foveacentral.com>

ivanoblomov/google_maps_geocoder