Examine source code of Schwifty Bookmarks 2

{
  "manifest_version": 3,
  "name": "Schwifty BookmaЯks 2",
  "version": "6.0.4",
  "description": "Quickly access, manage, and search bookmarks.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{51f17f22-237e-4166-8c67-ae14d0783e49}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'"
  },
  "permissions": [
    "bookmarks",
    "storage",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "https://icons.duckduckgo.com/*"
  ],
  "icons": {
    "16": "images/Bookmark 16x16.png",
    "32": "images/Bookmark 32x32.png",
    "48": "images/Bookmark 48x48.png",
    "128": "images/Bookmark 128x128.png"
  },
  "action": {
    "default_popup": "index.html"
  }
}