Examine source code of Dual Pi-hole Control

{
  "manifest_version": 3,
  "name": "Dual Pi-hole Control",
  "version": "0.1.0",
  "description": "One-click disable/enable blocking on two Pi-hole servers via a local backend service.",
  "author": "Howarth Tech Solutions",
  "homepage_url": "https://github.com/howarthTech/dual-pihole-control",
  "browser_specific_settings": {
    "gecko": {
      "id": "dual-pihole-control@howarthtech",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "http://*/",
    "https://*/"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg",
    "128": "icon.svg"
  },
  "action": {
    "default_title": "Dual Pi-hole Control",
    "default_popup": "popup.html",
    "default_icon": "icon.svg"
  }
}