added the demo cluster configuration for Apache Wayang Demos#473

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kamir wants to merge 11 commits intoapache:mainfrom kamir:kamir-patch-03

+1,496-29

Commits on Sep 21, 2024

added the demo cluster configuration for Apache Wayang Demos
kamir
committed

Commits on Sep 23, 2024

updated demo cluster. added one more db and persistence to metabase.
kamir
committed
Merge branch 'main' of https://github.com/kamir/incubator-wayang into kamir-patch-03
kamir
committed

Commits on Sep 25, 2024

added demo apps for Postgres and Kafka, and cleaned some comments
kamir
committed