Examine source code of AO3 QOF

{
  "manifest_version": 2,
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "ao3qof@test.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "name": "AO3 QOF",
  "version": "2.0.3",
  "description": "Adds features to better my ao3 experience",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icons/border-16.png",
    "24": "icons/border-24.png",
    "32": "icons/border-32.png",
    "64": "icons/border-64.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://archiveofourown.org/*"
      ],
      "run_at": "document_end",
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "tabs",
    "activeTab",
    "webNavigation",
    "storage",
    "https://archiveofourown.org/*"
  ],
  "web_accessible_resources": [
    "styles.css"
  ],
  "browser_action": {
    "default_icon": "icons/border-32.png",
    "default_title": "AO3 QOF"
  }
}