Examine source code of PingAniReader

{
  "description": "Makes Texts more accessible by trying to support bionic reading ",
  "manifest_version": 2,
  "name": "PingAniReader",
  "version": "0.1",
  "background": {
    "scripts": [
      "PingAniReader.js"
    ]
  },
  "page_action": {
    "default_icon": "icons/off.svg",
    "browser_style": false
  },
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cee95f50-3e69-4a1b-99be-0fc83ea7fc99}"
    }
  }
}