Examine source code of Avatarium External

{
  "name": "Аватариум",
  "version": "0.64.11",
  "manifest_version": 3,
  "description": "Аватариум",
  "icons": {
    "48": "logo.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Аватариум"
  },
  "content_scripts": [
    {
      "matches": [
        "https://chaosage.ru/"
      ],
      "js": [
        "jquery-3.3.1.min.js",
        "easystar-0.4.4.min.js",
        "starter.js",
        "panzoom.min.js",
        "popper.min.js",
        "tippy-bundle.umd.min.js"
      ],
      "css": [
        "fraction.css"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "/panzoom.min.js",
        "/easystar-0.4.4.min.js",
        "/main.js",
        "chat/*",
        "/fraction.css",
        "/popper.min.js",
        "/tippy-bundle.umd.min.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "permissions": [],
  "host_permissions": [
    "https://chaosage.ru/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{32b681af-33d5-4b97-bcf9-556915c073dc}"
    }
  }
}