Examine source code of Email Address Generator

{
  "manifest_version": 2,
  "name": "Email Address Generator",
  "version": "1.1",
  "description": "Generates unique email addresses based on the website hostname and the current time.",
  "icons": {
    "48": "icons/icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "emailaddressgenerator@trilinder"
    }
  },
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "tabs",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js",
        "generate-address.js"
      ]
    }
  ]
}