Examine source code of Reddit Random Post

{
  "manifest_version": 3,
  "name": "Reddit Random Post",
  "version": "0.1.0",
  "description": "Click the toolbar button while on a subreddit to jump to a random post from it.",
  "browser_specific_settings": {
    "gecko": {
      "id": "reddit-random-post@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "notifications"
  ],
  "host_permissions": [
    "*://*.reddit.com/*"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "action": {
    "default_title": "Random post from this subreddit",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}