ReactJS Templates
npx create-react-app my-app --template cra-template # default
npx create-react-app my-app --template cra-template-typescript # typescript
npx create-react-app my-app --template cra-template-pwa # add serviceWorker
More info search for cra-template-*.
ReactJS Modules
npm i express # express http server
# const express = require("express");
# const app = express();
npm i bootstrap # add bootstrap
# import "bootstrap/dist/css/bootstrap.min.css";