Examine source code of Twitch Streams

{
  "manifest_version": 2,
  "name": "Twitch Streams",
  "version": "0.7.2resigned1",
  "description": "Twitch followed streams browser, notifier",
  "applications": {
    "gecko": {
      "id": "twitch_streams@example.com",
      "strict_min_version": "45.0"
    }
  },
  "icons": {
    "48": "icons/twitch-48.png",
    "96": "icons/twitch-96.png"
  },
  "permissions": [
    "storage",
    "notifications"
  ],
  "browser_action": {
    "default_icon": {
      "19": "icons/twitch-19.png",
      "38": "icons/twitch-38.png"
    },
    "default_title": "Twitch Streams",
    "default_popup": "browser_action/index.html"
  },
  "background": {
    "scripts": [
      "background/stream_wrapper.js",
      "background/settings.js",
      "background/passive_update.js",
      "background/notification_engine.js",
      "background/stream_compilation_handler.js",
      "background/twitch_api_handler.js",
      "background/background.js"
    ]
  }
}