Update to README.md
Update to README.md

Added a note: This repo is no longer being maintained. Users are welcome to fork it, but we make no warranty of its functionality.
CenturyLinkLabs/panamax-ui,CenturyLinkLabs/panamax-ui,CenturyLinkLabs/panamax-ui,CenturyLinkLabs/panamax-ui