Examine source code of ani!Search

{
  "manifest_version": 3,
  "name": "ani!Search",
  "version": "1.3.2",
  "description": "Displays info on the anime that an osu! beatmap is from",
  "icons": {
    "96": "icons/icon-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://osu.ppy.sh/*"
      ],
      "js": [
        "ani!Search.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "webRequest"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{600f1914-774f-4cd5-ac93-261a1949369a}"
    }
  }
}