First, make sure you have Node.js installed. Install either the LTS (Long Term Support) or Stable versions, both will work for this app.
Then, open up a terminal and install Ionic:
$ npm install -g cordova ionicLastly, install all dependencies:
$ npm install
$ ionic state resetTo simply run this app in a browser:
$ cd path/to/project
$ ionic serveOr, to build and run this app on a specific platform:
$ cd path/to/project
$ ionic platform add [platform]
$ ionic build [platform]
$ ionic emulate [platform]When Ionic asks you for an address, enter in localhost.
To start developing, all HTML, CSS, and JavaScript files are located in www/.