Examine source code of Y-Productive for Firefox

{
  "name": "Y-Productive for Firefox",
  "short_name": "Y-Productive",
  "description": "Fight your procrastination impulses and develop useful habits with Y-Productive`s browser extension",
  "version": "0.6.10resigned1",
  "manifest_version": 2,
  "incognito": "spanning",
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "webNavigation",
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "socket.io.js",
      "config.js",
      "utils.js",
      "extension.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0e878bd0-1ac1-4fc9-a019-d1f608adbcb4}"
    }
  }
}