Examine source code of BitChute Volume Scroller

{
  "manifest_version": 3,
  "name": "BitChute Volume Scroller",
  "version": "1.3",
  "description": "Scroll over BitChute videos to change volume with a visual indicator.",
  "icons": {
    "48": "icon-48.png",
    "96": "icon-96.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bitchute-vol-scroll-v2@yourname.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.bitchute.com/*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ]
}