Examine source code of Duo Explained

{
  "name": "Duo Explained",
  "description": "Get explanations for exercises on Duolingo using OpenAI's ChatGPT.",
  "version": "0.2.1",
  "manifest_version": 3,
  "icons": {
    "16": "/images/logo/logo_16x16.png",
    "32": "/images/logo/logo_32x32.png",
    "48": "/images/logo/logo_48x48.png",
    "128": "/images/logo/logo_128x128.png"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ],
    "service_worker": "scripts/background.js",
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://duolingo.com/*",
        "https://www.duolingo.com/*",
        "https://preview.duolingo.com/*"
      ],
      "js": [
        "scripts/content/utils.js",
        "scripts/content/theme.js",
        "scripts/content/essential.js",
        "scripts/content/settings.js",
        "lib/swiped-events.min.js",
        "lib/showdown.min.js",
        "lib/purify.min.js",
        "scripts/content/lesson/parser.js",
        "scripts/content/lesson/answer.js",
        "scripts/content/lesson/challenge.js",
        "scripts/content/lesson/lesson.js"
      ],
      "css": [
        "styles/styles.css",
        "styles/settings.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "scripts/content/duo.js",
        "lib/fingerprint.min.js",
        "/scripts/settings.js",
        "/scripts/config.js"
      ],
      "matches": [
        "https://duolingo.com/*",
        "https://www.duolingo.com/*",
        "https://preview.duolingo.com/*"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/home.html"
  },
  "permissions": [
    "scripting",
    "storage",
    "clipboardRead",
    "webNavigation"
  ],
  "host_permissions": [
    "https://duolingo.com/*",
    "https://www.duolingo.com/*",
    "https://preview.duolingo.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2acab3d4-f546-4e70-b325-4f85c9e19093}"
    }
  }
}