Examine source code of Sutta Explorer

{
  "manifest_version": 2,
  "name": "Sutta Explorer",
  "version": "1.0",
  "description": "A simple tool to help explore SuttaCentral content and related texts.",
  "background": {
    "scripts": [
      "popup.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ab669fec-2758-441c-9b20-a20f7f97c73d}"
    }
  }
}