Examine source code of Temp Mail Free - Temporary Email

{
  "manifest_version": 3,
  "name": "Temp Mail Free - Disposable Temporary Email",
  "version": "1.0.0",
  "description": "Free disposable email from TempMailFree.org. Copy an address in the popup; open Inbox on the website.",
  "homepage_url": "https://tempmailfree.org/en/how-it-works",
  "action": {
    "default_title": "Temp Mail Free - Disposable Temporary Email",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "64": "icons/logo64.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/logo64.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "https://tempmailfree.org/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@tempmailfree.org",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personalCommunications",
          "personallyIdentifyingInfo"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}