…odes.

Testing

Persist function added.

persist function added.

…dd a guide agent.

Enhance RAG example

copilot dialog agents update

… with different types/loaders/splitters, and save the calculated index as a whole.

…ges -

(1) llama_index_rag.py: added functions load_doc, load_docs, docs_to_nodes, persist_to_dir,
(2) rag_agents.py: relocate internal function _prepare_args_from_config to llama_index_rag.py, as a method of class LlmaIndexRAG(RAGBase)

…ents.py, as the initialization function of LlamaIndexRAG class.

Multi-file loader support added

… function of the method is to load data to a document class by using information in the config:dict

…_dir, and new method data_to_index regroup the methods to enable converting original data to index.

Reformat code

fix langchain_rag.py

…elete_docs_from_index.

Dev/as copilot index manage