Examine source code of Udemy Reset Progress

{
  "manifest_version": 2,
  "name": "Udemy Reset Progress",
  "description": "Udemy Reset Progress Web Extension",
  "version": "2.0.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "scripting",
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_title": "Udemy Reset Progress",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b31f77d3-b79e-41c1-b693-15ac6a2aa247}"
    }
  }
}