Examine source code of Priza Events Extractor

{
  "name": "Priza Events Extractor",
  "version": "1.2",
  "description": "Extracts and imports events from priza to google calendar",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "*://*.priza.net/*"
      ],
      "js": [
        "extractor.js",
        "init.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}