add X-FORWARDED headers for proxy requests (#1677)
add X-FORWARDED headers for proxy requests (#1677)


xiaohu-developer/create-react-app,xiaohu-developer/create-react-app,CodingZeal/create-react-app,appier/create-react-app,prometheusresearch/create-react-app,powerreviews/create-react-app,dpoineau/create-react-app,dpoineau/create-react-app,devex-web-frontend/create-react-app-dx,CodingZeal/create-react-app,devex-web-frontend/create-react-app-dx,Place1/create-react-app-typescript,powerreviews/create-react-app,Place1/create-react-app-typescript,prometheusresearch/create-react-app,Place1/create-react-app-typescript,Place1/create-react-app-typescript,prometheusresearch/create-react-app,CodingZeal/create-react-app,josephfinlayson/create-react-app,devex-web-frontend/create-react-app-dx,appier/create-react-app,josephfinlayson/create-react-app,appier/create-react-app,xiaohu-developer/create-react-app,dpoineau/create-react-app,powerreviews/create-react-app,josephfinlayson/create-react-app,devex-web-frontend/create-react-app-dx