New logo README (#121)

Author: AurelieMarcuzzo

README.md

@@ -1,6 +1,6 @@
 [![Actions Status](https://github.com/conduktor/kafka-stack-docker-compose/workflows/CI/badge.svg)](https://github.com/conduktor/kafka-stack-docker-compose/actions)
 
-# An open-source project by   [![Conduktor.io](https://www.conduktor.io/uploads/conduktor.svg)](https://conduktor.io/)
+# An open-source project by   [![Conduktor.io](https://www.conduktor.io/images/logo.svg)](https://conduktor.io/)
 
 This project is sponsored by [Conduktor.io](https://www.conduktor.io/), a graphical desktop user interface for Apache Kafka.