Examine source code of Emojis++

{
  "manifest_version": 3,
  "name": "Emojis++",
  "version": "1.1",
  "author": "Ivan Jesus Rojas Chaparro",
  "description": "Kit de emojis y herramientas de texto utiles",
  "homepage_url": "https://www.facebook.com/people/Reconfortsoft/61563374129394",
  "browser_specific_settings": {
    "gecko": {
      "id": "ivanjrch@protonmail.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "launchericon-48x48.png",
    "72": "launchericon-72x72.png"
  },
  "permissions": [
    "clipboardRead",
    "clipboardWrite",
    "storage",
    "webRequest",
    "notifications"
  ],
  "action": {
    "default_icon": "launchericon-48x48.png",
    "default_title": "Abrir",
    "default_popup": "index.html"
  }
}