Examine source code of SiteTimer

{
  "manifest_version": 2,
  "name": "SiteTimer",
  "version": "1.0",
  "description": "A solarpunk-inspired extension to track time spent on each website, featuring a nature-themed interface with gentle leaf animations and a reset option.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{24583e61-e6e3-4e04-948b-6ea538ca60bc}"
    }
  }
}