Examine source code of Leetcode_Id2Tab

{
  "manifest_version": 2,
  "name": "Leetcode_Id2Tab",
  "version": "4.0",
  "description": "Opens the Leetcode problem with the specified ID in a new tab",
  "icons": {
    "48": "icons/icon.svg"
  },
  "permissions": [
    "https://leetcode.com/graphql"
  ],
  "browser_action": {
    "default_icon": "icons/icon.svg",
    "default_title": "Leetcode_Id2Tab",
    "default_popup": "popup/popup.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Q"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d49db87e-ca48-413e-958c-7b43b1226641}"
    }
  }
}