Examine source code of SHIORI しおり 栞

{
  "manifest_version": 2,
  "name": "SHIORI しおり 栞",
  "short_name": "しおり",
  "version": "1.0.0",
  "description": "表示ページと類似のブックマークを上書き更新します",
  "author": "Tomeaj 石川",
  "applications": {
    "gecko": {
      "strict_min_version": "60.0"
    }
  },
  "permissions": [
    "activeTab",
    "bookmarks",
    "storage"
  ],
  "background": {
    "page": "background.html"
  },
  "options_ui": {
    "browser_style": true,
    "page": "options.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Alt+D"
      },
      "description": "類似のブックマークを上書き更新"
    }
  },
  "browser_action": {
    "default_title": "このページと類似のブックマークを\n上書き更新します",
    "browser_style": true,
    "default_popup": "popup.html"
  }
}