Examine source code of quote button for MAL

{
  "name": "quote button for MAL",
  "description": "Restores quote button functionality that's been removed from MAL forums Sep 2023, icon CCBY by icons8 dot com",
  "version": "0.1.9",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "quote_button@myanimelist",
      "strict_min_version": "91.1.0"
    }
  },
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://myanimelist.net/*"
      ],
      "js": [
        "loader.js"
      ],
      "runAt": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "main.js",
        "bbTools.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}