Examine source code of History Explorer

{
  "manifest_version": 2,
  "name": "History Explorer",
  "version": "1.0.5",
  "description": "View, search, filter and open browser history entries with timestamps. Added export, sorting and pagination.",
  "permissions": [
    "history",
    "tabs",
    "storage"
  ],
  "browser_action": {
    "default_title": "History Explorer",
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon48.png"
    }
  },
  "icons": {
    "48": "icons/icon48.png"
  },
  "browser_specific_settings": {
    "gecko_android": {
      "id": "@histo.jayxdcode.github.io",
      "strict_min_version": "113.0"
    },
    "gecko": {
      "id": "{f60bdada-3820-4dff-ac03-d94acf7c5af7}"
    }
  }
}