Examine source code of ShaderToy Notifier

{
  "name": "ShaderToy Notifier",
  "version": "0.0.6",
  "manifest_version": 2,
  "description": "ShaderToy Notifier",
  "homepage_url": "http://patrykfalba.eu",
  "icons": {
    "16": "icons/icon_active_128.png",
    "48": "icons/icon_active_128.png",
    "128": "icons/icon_active_128.png"
  },
  "permissions": [
    "notifications",
    "https://www.shadertoy.com/results?query=&sort=newest&filter=",
    "alarms"
  ],
  "background": {
    "scripts": [
      "src/bg/background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": "icons/icon_active_128.png",
    "default_title": "ShaderToy Notifier",
    "default_popup": "src/browser_action/browser_action.html"
  },
  "web_accessible_resources": [
    "popup.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a681ccc7-d3b9-4e11-9983-ecf595413de6}"
    }
  }
}