Examine source code of Unhook for Reddit

{
  "name": "Unhook for Reddit",
  "description": "Remove distracting elements from Reddit to help you focus on what matters",
  "version": "1.2.3",
  "manifest_version": 3,
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://www.reddit.com/*"
  ],
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "*://www.reddit.com/*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "options.html",
    "default_title": "Unhook for Reddit"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "unhook-reddit@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "assets/unhook-reddit-16.png",
    "48": "assets/unhook-reddit-48.png",
    "128": "assets/unhook-reddit-128.png",
    "256": "assets/unhook-reddit-256.png",
    "512": "assets/unhook-reddit-512.png"
  },
  "author": "Mathew Randal",
  "homepage_url": "https://github.com/mrandal/unhook-for-reddit"
}