Examine source code of Sidebar Manager

{
  "manifest_version": 3,
  "name": "Sidebar Manager",
  "version": "1.1",
  "description": "Save multiple URLs and load them into the Firefox sidebar.",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Sidebar Manager"
  },
  "sidebar_action": {
    "default_title": "Sidebar Manager",
    "default_panel": "sidebar-default.html",
    "default_icon": {
      "48": "icon48.png",
      "96": "icon96.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "sidebar-manager@creover.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}