Examine source code of Copy Bookmark Info

{
  "author": "igorlogius",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "select custom format for bookmark copy",
    "default_popup": "options.html"
  },
  "description": "",
  "icons": {},
  "manifest_version": 2,
  "name": "copy-bookmark-info",
  "permissions": [
    "clipboardWrite",
    "notifications",
    "storage",
    "bookmarks",
    "menus"
  ],
  "version": "1.0.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "{a8b7b80d-612a-4120-8a09-55cd5b96ce93}"
    }
  }
}