Examine source code of Kattis Tracker

{
  "name": "Kattis Tracker",
  "version": "26.5.18.1909",
  "description": "Kattis Submission Tracker",
  "homepage_url": "https://github.com/joshbtay/kattis-extension",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "joshbtay@gmail.com",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "websiteActivity",
          "websiteContent"
        ]
      }
    }
  },
  "icons": {
    "120": "icon.a990cd9d.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://*.kattis.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.kattis.com/*"
      ],
      "js": [
        "content.8dfcf440.js"
      ],
      "css": [
        "content.9dd848b7.css"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "page": "options.b3d40d95.html"
  }
}