Examine source code of Clock-Minute

{
  "manifest_version": 3,
  "name": "Clock — Minute",
  "version": "1.0.0",
  "description": "Shows the current minute in the toolbar. Pair with 'Clock — Hour'.",
  "browser_specific_settings": {
    "gecko": {
      "id": "clock-minute@chief.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "alarms"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Minute",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  }
}