Update: (conduktor#103) - Kafka from v2.8.0 to v3.0+, via Confluent platform v7.0.1 - Zookeeper from 3.5.9 to v3.6.3, via Confluent platform v7.0.1 - zoonavigator from v0.8.0 to v1.1.1

Use docker volumes to persist states (conduktor#96) * add docker volumes * update all recipes ♻️ * fix typo * add doc 📝

feat: upgrade to confluent 5.5.1 (conduktor#71) 

feat: upgrade to confluent 5.5.0 (conduktor#67) 

feat: upgrade to confluent 5.4.1 (conduktor#65) 

feat: upgrade to confluent 5.4.0 (conduktor#61) 

feat: upgrade to confluent 5.3.1 (conduktor#59) 

feat: upgrade to confluent 5.3.0 and kafka 2.3.0 (conduktor#57) 

upgrade: bump kafka to 2.2.1 and confluent to 5.2.2 (conduktor#55) * upgrade: kafka to 2.2.1 and confluent to 5.2.2 * Update README.md

feat: upgrade to confluent 5.2.1 and kafka 2.2.0 (conduktor#52)