Examine source code of When2Meet Leaderboard

{
  "manifest_version": 2,
  "name": "When2Meet Leaderboard",
  "version": "1.0",
  "description": "provides a way to keep track of who has the most availability in when2meet.",
  "content_scripts": [
    {
      "matches": [
        "*://*.when2meet.com/*"
      ],
      "js": [
        "leaderboard.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7e3590ec-d32b-4e77-abdb-cfa708f26047}"
    }
  }
}