[Feature] ArangoDB for GraphRAG in v1.4

[joshuayao]

Priority

P1-Stopper

OS type

Ubuntu

Hardware type

Gaudi3

Running nodes

Single Node

Description

• Dataprep and retriever ArangoDB enhancements
  • update: OpeaArangoRetriever & OpeaArangoDataprep GenAIComps#1764
  • Update READMES (missing links to arangoDB integrations in the main microservice readmes)
• txt2query and ArangoDB integration (stretch goal)

The owners are Anthony Mahanna (ArangoDB), and Rita Brugarolas Brufau (Intel).