git clone https://github.com/johndavemanuel/heyU heyU
Repository will be downloaded into heyU/ folder
Go to the downloaded repository folder and run:
npm install
This will download latest version of Framework7 (to /www/framework7/) and required icon fonts (to /www/fonts/)
npm run serve
App will be opened in browser at http://localhost:8080/
Just put the contents of www folder in your cordova's project root www folder