docs: tutorial for managing schemas with Schema Registry

pages/docs/tutorials/kafka/_section.md

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+---
+title: 'Kafka'
+weight: 2
+---

pages/docs/tutorials/kafka/index.md

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+---
+title: Tutorial-1
+weight: 20
+---

pages/docs/tutorials/kafka/managing-schemas-using-schema-registry.md

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+---
+title: Managing schemas using Schema Registry
+description: The guide explains how you can manage schemas using Schema Registry.
+weight: 50
+---
+
+## Introduction
+This tutorial will teach you how to manage schemas with Schema Registry. This will enable us to ensure a consistent exchange of data across distributed systems, thus minimizing any errors.
+
+## Background context
+To handle the evolving complexity of modern Event-Driven Architecture, the need for schema management has become increasingly prevalent. Data validation is a technique that helps in maintaining data consistency and compatibility. Schema Registry can be used to validate data being exchanged by producers and consumers. 
+
+In this tutorial, we’ve used the Apicurio Registry, which is a popular Schema Registry implementation, in combination with Avro which is a language-neutral data serialization system.
+
+## Prerequisites
+Before you begin with this tutorial, it is already assumed that you already have:
+- Set up an instance of Apicurio Registry 
+- Created an AsyncAPI document 
+- Some knowledge of Avro serialization
+
+## Steps
+
+## Summary
+
+## Next steps