Examine source code of Watson Assistant Widget Preview

{
  "applications": {
    "gecko": {
      "id": "watson-assistant-widget-preview@dte.addon"
    }
  },
  "description": "Injects Watson Assistant Web Chat integration javascript code inside any website",
  "manifest_version": 2,
  "name": "Watson Assistant Widget Preview",
  "version": "0.0.2",
  "homepage_url": "https://github.com/lotti/watson-assistant-widget-preview",
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "*://assistant-web.watsonplatform.net/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "css": [
        "css/style.css"
      ],
      "js": [
        "js/main.js"
      ]
    }
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "512": "icons/icon-512.png",
    "1024": "icons/icon-1024.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png",
      "512": "icons/icon-512.png",
      "1024": "icons/icon-1024.png"
    },
    "default_title": "Watson Assistant Widget Preview",
    "default_popup": "index.html"
  },
  "options_ui": {
    "page": "index.html",
    "browser_style": false
  }
}