Examine source code of Llimphi Visual CSS Editor

{
  "manifest_version": 3,
  "name": "Ayarachi Visual CSS Editor",
  "version": "1.0.0",
  "description": "Personaliza cualquier sitio web visualmente.",
  "author": "Hector Daniel Ayarachi Fuentes",
  "action": {},
  "icons": {
    "16": "icon.svg",
    "128": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "llimphi@ayarachi.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "cookies"
  ],
  "host_permissions": [
    "https://github.com/HectorDanielAyarachiFuentes/*",
    "https://api.unsplash.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' https://api.unsplash.com https://fonts.googleapis.com https://fonts.gstatic.com; img-src 'self' data: https://images.unsplash.com;"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "editor.html",
        "editor/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}