Examine source code of iteratec Office Extension

{
  "name": "iteratec Office Extension",
  "version": "1.0.12",
  "description": "Eine Erweiterung um Officedateien zuverlässig aus iteratec Webapplikationen heraus zu öffnen.",
  "author": "iteratec GmbH",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "iteratec Office Plugin",
    "default_popup": "pages/popup.html",
    "default_icon": {
      "128": "images/iteratec_icon128.png",
      "433": "images/iteratec_icon433.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "resources/*"
  ],
  "icons": {
    "128": "images/iteratec_icon128.png",
    "433": "images/iteratec_icon433.png"
  },
  "offline_enabled": true,
  "permissions": [
    "nativeMessaging",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "iteratec-office-extension@iteratec.com",
      "strict_min_version": "78.0"
    }
  }
}