Examine source code of Smart Folio

{
  "manifest_version": 3,
  "name": "Smart Folio",
  "version": "1.0.0",
  "description": "Your bookmark dashboard — private, fast, and 100% yours.",
  "permissions": [
    "storage",
    "activeTab",
    "bookmarks"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "smart-folio@stainscode.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    }
  },
  "chrome_url_overrides": {
    "newtab": "src/newtab/index.html"
  },
  "action": {
    "default_popup": "src/popup/index.html",
    "default_title": "Quick Add Bookmark",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon48.png"
    }
  },
  "background": {
    "scripts": [
      "src/background/index.js"
    ]
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none';"
  }
}