PUBDEV-4397: Documentation addition - new FAQ entry for R (#1106)
PUBDEV-4397: Documentation addition - new FAQ entry for R (#1106)

Added an FAQ to the FAQ > R topic describing how to resolve the
following error: “Server error - server 127.0.0.1 is unreachable at
this moment.”
h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,mathemage/h2o-3,mathemage/h2o-3,mathemage/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,spennihana/h2o-3,h2oai/h2o-3,spennihana/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,mathemage/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev