starter app fails to npm install

[Jason Karns]

$ npm i
npm ERR! code ETARGET
npm ERR! notarget No matching version found for serve@^6.4.2
npm ERR! notarget In most cases you or one of your dependencies are requesting
npm ERR! notarget a package version that doesn't exist.
npm ERR! notarget 
npm ERR! notarget It was specified as a dependency of 'rollup-starter-app'
npm ERR! notarget 

npm ERR! A complete log of this run can be found in:
npm ERR!     /usr/local/cache/npm/_logs/2017-12-12T21_15_38_745Z-debug.log