Examine source code of Session Box

{
  "manifest_version": 3,
  "name": "Session Box",
  "version": "2.1.1",
  "description": "Создание изолированных контейнеров",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png"
    },
    "default_popup": "popup.html"
  },
  "sidebar_action": {
    "default_title": "IsolatedContainer",
    "default_panel": "sidebar.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png"
    }
  },
  "permissions": [
    "tabs",
    "contextualIdentities",
    "cookies",
    "theme",
    "storage"
  ],
  "commands": {
    "create_isolated_container": {
      "suggested_key": {
        "default": "Ctrl+Q"
      },
      "description": "Создать изолированный контейнер"
    },
    "delete_all_containers": {
      "suggested_key": {
        "default": "Ctrl+Shift+X"
      },
      "description": "Удалить все контейнеры расширения"
    },
    "close_tabs_right": {
      "suggested_key": {
        "default": "Ctrl+Right"
      },
      "description": "Закрыть все вкладки справа"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "isolatedcontainer0@example.com"
    }
  }
}