npm init single-spa
project name: root-config
type: single-spa root config
npm init single-spa
project name: auth
type: in-browser utility module
npm init single-spa
project name: auth
type: single-spa application
framework: react
npm init single-spa
project name: auth
type: in-single-spa application
framework: other
https://single-spa.js.org/docs/ssr-overview