GPII-3200: Add one-time manual setup instructions for Route 53 Health Checks.
GPII-3200: Add one-time manual setup instructions for Route 53 Health Checks.

mrtyler/gpii-terraform,mrtyler/gpii-terraform,mrtyler/gpii-infra,mrtyler/gpii-infra,mrtyler/gpii-terraform,mrtyler/gpii-infra,mrtyler/gpii-infra