Examine source code of F The Advisory

{
  "manifest_version": 2,
  "name": "F The Advisory",
  "version": "1.0.0",
  "description": "Automatically handles advisory warnings on YouTube Music",
  "permissions": [
    "activeTab",
    "https://music.youtube.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://music.youtube.com/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ddb763d3-88e5-4b41-b6fd-e7fed4cf6361}"
    }
  }
}