Add an optional "separator" field for coordinates#8

bdebinska merged 2 commits intomainbox-id/value_formatters:mainfrom

PD-3661-add-an-option-to-provide-a-separator-for-coordinatesbox-id/value_formatters:PD-3661-add-an-option-to-provide-a-separator-for-coordinatesCopy head branch name to clipboard