Examine source code of Forex Buddy

{
  "manifest_version": 3,
  "name": "Forex Buddy",
  "version": "2.0.5",
  "description": "A modern currency converter extension that captures and converts money values",
  "author": "Marc Rossmann <codedsyntax@outlook.com>",
  "permissions": [
    "storage",
    "alarms",
    "clipboardRead"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self'; img-src 'self' data:; font-src 'self'; connect-src 'self' https://api.exchangerate-api.com/ https://www.google-analytics.com/; frame-src 'none'; frame-ancestors 'none'"
  },
  "icons": {
    "16": "icons/exch16.png",
    "32": "icons/exch32.png",
    "64": "icons/exch64.png",
    "128": "icons/exch128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Forex Converter",
    "default_icon": {
      "16": "icons/exch16.png",
      "32": "icons/exch32.png",
      "64": "icons/exch64.png",
      "128": "icons/exch128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "https://api.exchangerate-api.com/",
    "https://www.google-analytics.com/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "codedsyntax@outlook.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "websiteActivity"
        ]
      }
    }
  }
}