Examine source code of Instagram 2x Video Speed

{
  "manifest_version": 2,
  "name": "Instagram 2x Speed Hold",
  "version": "1.0",
  "description": "Press and hold any Instagram video to play at 2x speed. Release to return to normal.",
  "content_scripts": [
    {
      "matches": [
        "*://www.instagram.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "2x Speed Hold"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "instagram-video-speed-up@app.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}