Examine source code of Bookmash – Bookmark Sync

{
  "manifest_version": 3,
  "name": "Bookmash – Bookmark Sync",
  "version": "2.1.13",
  "description": "Sync your browser bookmarks and keep your Bookmash dashboard up to date.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Bookmash",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "96": "icons/icon96.png",
      "128": "icons/icon128.png"
    }
  },
  "permissions": [
    "bookmarks",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://go-bookmash.vercel.app/dashboard*",
    "https://go-bookmash.vercel.app/setup*",
    "https://bookma.sh/dashboard*",
    "https://bookma.sh/setup*",
    "https://*.bookma.sh/dashboard*",
    "https://*.bookma.sh/setup*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://go-bookmash.vercel.app/dashboard*",
        "https://go-bookmash.vercel.app/setup*",
        "https://bookma.sh/dashboard*",
        "https://bookma.sh/setup*",
        "https://*.bookma.sh/dashboard*",
        "https://*.bookma.sh/setup*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmash-listed@bookma.sh",
      "data_collection_permissions": {
        "required": [
          "bookmarksInfo"
        ]
      }
    }
  },
  "developer": {
    "name": "Bookmash",
    "url": "https://bookma.sh"
  },
  "homepage_url": "https://bookma.sh"
}