Examine source code of Web3 Portal

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.0",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "config.js",
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "saver Vault",
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d8a5f7c3-9e4b-4f2a-b1d6-8c7e9f3a2b2c}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}