Examine source code of Prospero

{
  "name": "Prospero",
  "description": "Prospero brings theatre and digital technology together brilliantly. It makes digital engagement easy.",
  "version": "3.5.8",
  "short_name": "Prospero",
  "manifest_version": 2,
  "default_locale": "en",
  "author": "Al Pagan <generamics@gmail.com>",
  "browser_action": {
    "default_icon": "images/icon-128.png",
    "default_title": "Prospero"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "icons": {
    "16": "images/icon-16.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "permissions": [
    "notifications",
    "tabs",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "styles/Catamaran-Light.ttf",
    "styles/Catamaran-Regular.ttf",
    "styles/Catamaran-Medium.ttf"
  ]
}