### Priority Undecided ### OS type Ubuntu ### Hardware type Xeon-GNR ### Running nodes Single Node ### Description We need to support neo4j vector DB backend in the following helm charts: - [data-prep](https://github.com/opea-project/GenAIInfra/tree/main/helm-charts/common/data-prep) - [retriever-usvc](https://github.com/opea-project/GenAIInfra/tree/main/helm-charts/common/retriever-usvc) Background information: - https://github.com/opea-project/GenAIComps/tree/main/comps/third_parties/neo4j - https://github.com/opea-project/GenAIComps/blob/main/comps/dataprep/src/README_neo4j_llamaindex.md - https://github.com/opea-project/GenAIComps/blob/main/comps/retrievers/src/README_neo4j.md