Examine source code of Auto-DarkTheme Scheduler

{
  "manifest_version": 2,
  "name": "Auto-DarkTheme Scheduler",
  "version": "1.0.0",
  "description": "An extension to schedule switching between light and dark themes.",
  "permissions": [
    "storage",
    "theme",
    "alarms"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "48": "assets/icons/icon-48.png",
      "128": "assets/icons/icon-128.png"
    }
  },
  "icons": {
    "16": "assets/icons/icon-16.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "auto-darktheme-scheduler@extension.example"
    }
  }
}