Examine source code of Reels Helper

{
  "manifest_version": 3,
  "version": "1.2.0",
  "name": "Reels Helper",
  "description": "Playback Speed, Downloading.",
  "content_scripts": [
    {
      "matches": [
        "https://www.instagram.com/*"
      ],
      "js": [
        "scripts/utils.js",
        "scripts/download.js",
        "scripts/scroll.js",
        "scripts/speed.js",
        "insta-sctipt.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "128": "images/icon-128.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "menu/options.html"
  },
  "options_ui": {
    "open_in_tab": false,
    "page": "menu/options.html"
  },
  "homepage_url": "https://github.com/SuperZombi/Instagram-Helper",
  "browser_specific_settings": {
    "gecko": {
      "id": "super.zombi@insta.helper",
      "strict_min_version": "109.0"
    }
  }
}