Follow-on from feedback to PR#26: add loopback note to README as suggested
Follow-on from feedback to PR#26: add loopback note to README as suggested

Coenego/grasshopper-ui,fronteerio/grasshopper-ui,CUL-DigitalServices/grasshopper-ui,fronteerio/grasshopper-ui,Coenego/grasshopper-ui,ucamrc/grasshopper-ui,CUL-DigitalServices/grasshopper-ui,ucamrc/grasshopper-ui,ucamrc/grasshopper-ui,CUL-DigitalServices/grasshopper-ui,fronteerio/grasshopper-ui,Coenego/grasshopper-ui