The sample app contains three additional parts beyond Amber itself:
index.html
          <body> tag.amber-contrib-jquery module,
          providing jQuery and a wrapper over it.amber-contrib-web module,
          providing Web package
          that allows for DOM manipulation
          and is inspired by Seaside.domite module,
          providing Amber-native DOM wrapper.silk module,
          providing Silk package
          that allows for DOM manipulation,
          is meant as alternative to Web
          and is inspired by stream metaphor and mochikit.Additionally, npm module es6-promise
  is included and used by default in building / development
  with help of es6-promise.amd.json manifest file.