Examine source code of NYT Game Timer

{
  "manifest_version": 3,
  "name": "Game Timer",
  "description": "Time Your NYT Games",
  "version": "1.4",
  "action": {
    "default_popup": "index.html"
  },
  "background": {
    "scripts": [
      "scripts/worker.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "scripts/content.js"
      ],
      "matches": [
        "https://*.nytimes.com/games/strands*",
        "https://*.nytimes.com/games/connections*"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://*.nytimes.com/games/strands*",
    "https://*.nytimes.com/games/connections*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@connersbrianwebsite.xyz"
    }
  }
}