Examine source code of Tab Group Chat

{
  "manifest_version": 2,
  "name": "Tab Group Chat",
  "description": "Generate a nicely formatted list of open tabs and copy it for chat sharing",
  "version": "1.2",
  "icons": {
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/icon64.png",
    "default_title": "Tab Group Chat",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ae56a63f-3a98-4705-9cec-5c87bacf9642}",
      "strict_min_version": "96.0"
    }
  }
}