Examine source code of Poke Redirect

{
  "manifest_version": 3,
  "name": "Poke Redirect",
  "version": "1.11",
  "description": "Redirect Youtube videos to Poke.",
  "icons": {
    "48": "images/poke-48.png",
    "256": "images/poke.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*",
        "https://youtube.com/*",
        "https://m.youtube.com/*"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "48": "images/poke-48.png",
      "256": "images/poke.png"
    },
    "default_title": "Poke Redirect",
    "default_popup": "settings.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "poke@sudovanilla.org",
      "strict_min_version": "109.0"
    },
    "gecko_android": {
      "strict_min_version": "120.0"
    }
  }
}