Update README.md

Author: manub

README.md

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 # scalatest-embedded-kafka
 A library that provides an in-memory Kafka instance to run your tests against.
 
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+**This repository shortly will be no longer maintained. The new version is available at https://github.com/embeddedkafka/embedded-kafka**
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 *As of version 1.1.1 the library is not dependent anymore on ScalaTest and won't transitively bring ScalaTest into your build.*
 
 Inspired by https://github.com/chbatey/kafka-unit