Examine source code of LeetBuddies

{
  "manifest_version": 2,
  "name": "LeetBuddies",
  "version": "1.0.1",
  "description": "An extension to help you to keep track of your friends' problem-solving achievements on LeetCode by displaying the leaderboard.",
  "icons": {
    "16": "assets/icons/icon16.png",
    "32": "assets/icons/icon32.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{72cc9e91-c7c2-4bd3-a215-d3ee1f9c107c}"
    }
  }
}