doc: Add Wonderland webhook integration

doc/content/integrations/cloud-integrations/wonderland/index.md

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+---
+title: "IoT Wonderland"
+description: ""
+weight: 
+aliases: ["/integrations/cloud-integrations/wonderland-core/wonderland-setup", "/integrations/cloud-integrations/wonderland-core/tts-setup", "/integrations/cloud-integrations/wonderland-core"]
+---
+
+[IoT Wonderland](https://iotwonderland.com/) is a powerful and user-friendly platform for tracking applications, offering broad support for LoRaWAN, cellular, satellite, barcode, RFID, and beacon-based devices. It features advanced location visualization, real-time data handling, and flexible integration options—making it ideal for large-scale, multi-network tracking solutions.
+
+{{< figure src="Wonderland.png" alt="Wonderland UI" >}}
+
+<!--more-->
+
+This guide will help you set up an integration between {{% tts %}} and IoT Wonderland.
+
+## Prerequisites
+
+1. A [user account on Wonderland](https://www.lorawonderland.com/master/public/ui/login.php)
+
+## Configuring The Things Stack
+
+To integrate The Things Stack (TTS) with IoT Wonderland via webhook, you can use the built-in Wonderland template:
+
+1.In TTS, navigate to: Applications → Webhooks → Add webhook → Choose the "IoT Wonderland" template.
+
+2. Enter a Webhook ID of your choice (any arbitrary value is fine).
+
+{{< figure src="tts-webhook-setup.png" alt="Webhook Wonderland" >}}
+
+After creating the webhook, click on it to view all integration parameters and verify the setup.
+
+Your integration is all set! Go to your device on Wonderland and check the incoming data from your The Things Stack device.