Examine source code of Wordeep Proofreading and Grammar Checker

{
  "manifest_version": 2,
  "version": "2.0.103",
  "background": {
    "scripts": [
      "sentry.js",
      "background.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "wordeep.css"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "permissions": [
    "webNavigation",
    "activeTab",
    "tabs",
    "<all_urls>",
    "storage",
    "scripting",
    "cookies"
  ],
  "browser_action": {
    "default_icon": "icon32.png",
    "default_popup": "popup.html",
    "default_title": "Wordeep"
  },
  "content_scripts": [
    {
      "js": [
        "wordeep.js"
      ],
      "css": [
        "wordeep.css"
      ],
      "matches": [
        "<all_urls>",
        "https://*/*",
        "http://*/*",
        "file:///*"
      ],
      "all_frames": true,
      "match_about_blank": true,
      "run_at": "document_end"
    }
  ],
  "name": "Wordeep Proofreading",
  "description": "Wordeep artificial intelligence proofreading for Firefox",
  "applications": {
    "gecko": {
      "id": "info@wordeep.com"
    }
  },
  "icons": {
    "16": "icon.png",
    "48": "icon.png"
  },
  "short_name": "Wordeep"
}