Examine source code of Pile - lightweight bookmarking

{
  "manifest_version": 3,
  "name": "Pile - lightweight bookmarking",
  "description": "__MSG_extensionDescription__",
  "version": "1.7.0",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{12b48d24-912c-4e23-a817-8e89a3f32639}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "32": "icons/pile.svg",
    "48": "icons/pile.svg",
    "96": "icons/pile.svg"
  },
  "action": {
    "browser_style": false,
    "default_icon": "icons/pile.svg",
    "default_title": "__MSG_buttonTitle__",
    "theme_icons": [
      {
        "dark": "icons/pile.svg",
        "light": "icons/pile.svg",
        "size": 32
      }
    ],
    "default_area": "navbar"
  },
  "sidebar_action": {
    "default_icon": {
      "32": "icons/pile.svg",
      "48": "icons/pile.svg",
      "96": "icons/pile.svg"
    },
    "default_title": "Pile",
    "default_panel": "sidebar/panel.html"
  },
  "background": {
    "scripts": [
      "service-worker.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "permissions": [
    "bookmarks",
    "storage",
    "contextMenus",
    "activeTab",
    "tabs",
    "theme"
  ],
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description": "Show/hide the Pile sidebar"
    },
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+P"
      },
      "description": "Put it on the Pile"
    }
  }
}