Implement mvp methods

[sgnl]

• .ip()
• .apps()
• .activeApp()
• .info()
• .keypress('key')
• .keydown()
• .keyup()
• .icon()
• .launch()

notes:

Device Module Api {
  ip: Fn() => 'xxx.xxx.xxx.xxx:8060'
  apps: Fn() => [{  ...appInfo  }, ...]
  activeApp: Fn => { ... }
  keydown: Fn(key) => POST to device only
  keyup: Fn(key) => POST to device only
  keypress: Fn(key) => POST to device only
  launch: Fn(AppId) => POST to device only
  info: Fn() => xml2js
  .icon: Fn(appId) => Binary data | img
}