Update now.sh deployment instructions. (#1710)
Update now.sh deployment instructions. (#1710)

* Update now.sh deployment instructions.

Incorporates changes announced at https://zeit.co/blog/now-static that streamline Now deployments from CRA projects.

* Remove unintentional reference to deployed app.

No emergency; just didn't intend to tout or send traffic to my prototype.

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