Examine source code of Simple Tab Groups Lm

{
  "manifest_version": 2,
  "name": "Simple Tab Groups",
  "version": "2.0",
  "description": "An extension to organize and manage your tab groups in Firefox.",
  "permissions": [
    "tabs",
    "storage"
  ],
  "commands": {
    "switchTabGroup": {
      "suggested_key": {
        "default": "Ctrl+Shift+G"
      },
      "description": "Switch to the next tab group"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons/logo_32.png",
      "64": "icons/logo_64.png",
      "128": "icons/logo_128.png"
    }
  },
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png",
    "128": "icons/logo_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7ce60359-c497-457d-89fc-6cecf5559a95}"
    }
  }
}