Examine source code of divider

{
  "manifest_version": 3,
  "name": "divider",
  "version": "1.1.6",
  "description": "For your ――――――――――――――――――――――――― needs.",
  "permissions": [
    "storage"
  ],
  "icons": {
    "64": "icon.svg"
  },
  "action": {
    "default_title": "―――――――――――――――――――――――――",
    "default_icon": "icon.svg",
    "default_area": "navbar"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1318b979-0d77-47a5-a3e1-3bdc4a3fe0d7}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}