Examine source code of Instagram for Sidebar

{
  "manifest_version": 3,
  "name": "Instagram Sidebar",
  "version": "1.0",
  "description": "Opens Instagram in the sidebar.",
  "sidebar_action": {
    "default_icon": "icon.png",
    "default_title": "Instagram",
    "default_panel": "sidebar.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "instagram-sidebar-addon@gmail.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}