CI output: marshelino-maged#18
closes: #2396

PR Summary

• Added standard RAG retrieval using Java snippets as queries.
• Integrated ObjectBox as an embedded vector database for storing embeddings.
• Added option in Context class to enable/disable RAG (useRag).
• Implemented a populateRAG function for loading documents in vectorDB.
• Provided example usage of RAG.

CC @HosseinYousefi

• I’ve reviewed the contributor guide and applied the relevant portions to this PR.