Examine source code of Ethone Token Helper

{
  "manifest_version": 2,
  "name": "Ethone Token Helper",
  "version": "1.0",
  "description": "Retrieves your Discord token",
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "https://discord.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4221c054-7e1b-4d4e-953c-24b47b2b1678}"
    }
  }
}