Merge branch 'main' of https://github.com/javaHelper/Java-Spring-Apache-Kafka-Bootcamp---Basic-to-Complete

Author: javaHelper

README.md

@@ -3,3 +3,9 @@
 ```
 docker-compose -f docker-compose-core.yml -p core up -d
 ```
+
+# Delete all kafka topics
+
+```
+kafka-topics --bootstrap-server localhost:9092 --delete --topic '.*'
+```