Examine source code of Meeting Tab Closer

{
  "manifest_version": 2,
  "name": "Meeting Tab Closer",
  "version": "0.1.0",
  "description": "Auto-close meeting tabs after they end with customizable patterns, schedules, and restore.",
  "permissions": [
    "tabs",
    "windows",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "browser_action": {
    "default_title": "Meeting Tab Closer"
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "meeting-tab-closer@example.com"
    }
  }
}