Examine source code of LINGSOFT PROOFREADER

{
  "name": "LINGSOFT PROOFREADER",
  "version": "1.0.0",
  "manifest_version": 2,
  "sidebar_action": {
    "default_title": "Lingsoft Proofreader",
    "default_panel": "index.html",
    "default_icon": "logo.svg"
  },
  "content_scripts": [
    {
      "js": [
        "scripts/contentScript.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "lingsoft@proofreader.com"
    }
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "storage",
    "activeTab",
    "sessions",
    "notifications",
    "browsingData",
    "unlimitedStorage",
    "http://*/*",
    "https://*/*"
  ]
}