Examine source code of Reddit Video Autoplay

{
  "manifest_version": 3,
  "name": "Reddit Video Autoplay",
  "version": "1.0",
  "description": "Auto-plays Reddit feed videos one after another. Prev/Next buttons won't overlap video.",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Reddit Video Autoplay"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "reddit-video-autoplay@ext",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}