Examine source code of Extensity

{
  "action": {
    "default_icon": "images/iconbar.png",
    "default_popup": "index.html",
    "default_title": "Extensity"
  },
  "background": {
    "scripts": [
      "js/migration.js"
    ]
  },
  "description": "Quickly enable/disable your browser extensions",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "manifest_version": 3,
  "name": "Extensity",
  "options_page": "options.html",
  "permissions": [
    "management",
    "storage",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "version": "1.14.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{7d8b1a3c-9e4f-462a-87d1-7d669c8d8a1b}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}