Examine source code of Detach Same Site Tabs

{
  "author": "igorlogius",
  "homepage_url": "https://github.com/igorlogius/webextensions/tree/main/detach-same-site-tabs",
  "browser_action": {
    "default_area": "navbar"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "_execute_browser_action": {}
  },
  "icons": {
    "512": "icon.png"
  },
  "description": "See #tabs with same origin as current one and detach them into a new window",
  "manifest_version": 2,
  "name": "Detach Same Site Tabs",
  "permissions": [
    "tabs",
    "menus"
  ],
  "version": "1.0.7",
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e647017-bc00-4946-9359-7dc32b5d9bfe}"
    }
  }
}