Examine source code of Code Self Study

{
  "manifest_version": 3,
  "name": "Code Self Study",
  "short_name": "codeselfstudy",
  "description": "A browser extension for Code Self Study (codeselfstudy.com)",
  "version": "0.11.2",
  "icons": {
    "64": "icons/icon.png"
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "background": {
    "scripts": [
      "vendor/browser-polyfill.js",
      "background_script.js"
    ]
  },
  "action": {
    "default_icon": {
      "64": "icons/icon.png"
    },
    "default_popup": "browserAction/index.html",
    "default_title": "Code Self Study"
  },
  "options_ui": {
    "page": "options/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d7aa7b3-8214-40b4-96d2-a10154debdca}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}