Examine source code of Budgey Cashback

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "short_name": "__MSG_extensionShortName__",
  "description": "__MSG_extensionDescription__",
  "author": "https://www.widilo.com",
  "homepage_url": "https://tinyurl.com/2bwm33jv",
  "default_locale": "en_GB",
  "version": "5.3.0.36680",
  "icons": {
    "16": "icons/main/logo_small_primary_16.png",
    "32": "icons/main/logo_small_primary_32.png",
    "48": "icons/main/logo_small_primary_48.png",
    "64": "icons/main/logo_small_primary_64.png",
    "128": "icons/main/logo_small_primary_128.png"
  },
  "action": {
    "default_icon": {
      "32": "icons/browser_action/logo_small_primary_32.png"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' https://fonts.googleapis.com 'unsafe-inline'"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "/assets/*",
        "/content-scripts/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "scripting"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0947b824-3458-42ee-8c71-413ca7216b3f}"
    }
  }
}