Examine source code of Linkding ↔ Bookmarks Sync

{
  "manifest_version": 3,
  "name": "Linkding ↔ Bookmarks Sync",
  "version": "0.1.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "linkding-bookmarks-sync@local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "description": "Sync Linkding with Browser bookmarks: add-only import, export back, prune.",
  "permissions": [
    "bookmarks",
    "storage",
    "alarms"
  ],
  "optional_host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Sync now"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  }
}