AZD for java-quarkus

[dbroeglin]

First steps for using ./src/ingestion-java-quarkus & ./src/backend-java-quarkus

[sinedied]

Thanks for your contribution, but there's a script that will prepare the template for the Java version so this is expected.
The workshop can work for both Node.js and Java, that's why the base code includes these.

If you run the script her https://moaw.dev/workshop/?src=gh%3AAzure-Samples%2Fazure-openai-rag-workshop%2Fdocs%2Fworkshop-java-quarkus.md&step=3# the folders will be correct.

For AZD the language specified doesn't matter as it's all containers.