Examine source code of Hacker Space

{
  "manifest_version": 3,
  "name": "Hacker Space",
  "short_name": "Hacker Space",
  "version": "1.4.0",
  "description": "Replace your new tab with a random Hacker News story and a short AI summary.",
  "browser_specific_settings": {
    "gecko": {
      "id": "hacker-space@tinkerers.space",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "host_permissions": [
    "https://hn.tinkerers.space/*",
    "https://hacker-news.firebaseio.com/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}