Examine source code of Share Tabs

{
  "short_name": "Tabs",
  "author": "Sine Theta Systems",
  "name": "Share Tabs",
  "description": "Share Your Tabs Easily.!",
  "version": "1.5",
  "manifest_version": 3,
  "permissions": [
    "tabs",
    "bookmarks"
  ],
  "action": {
    "default_icon": {
      "16": "./Images/16.png",
      "32": "images/32.png"
    }
  },
  "background": {
    "scripts": [
      "tabs.js"
    ],
    "type": "module"
  },
  "icons": {
    "16": "/Images/16.png",
    "32": "/Images/32.png",
    "48": "/Images/48.png",
    "128": "/Images/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tabsaddon@sinetheta.com",
      "strict_min_version": "42.0"
    }
  }
}