Update the chatbot to an LangGraph agent, handling four tasks including RAG, summary, translate and email. Update prompts. Update Gradio UI.

Merge branch 'main' of https://huggingface.co/spaces/tongyi21/LLM_Powered_Legal_RAG

Replace OpenAI service with AzureOpenAI

Update README.md

Deutsch is now available, language can be switched, use different embedding models, ingest resources from two languages, also propmts, vector retrival supported for both languages now.

More example questions, model switch to gpt-4.1-mini, ingest logic improved

Update README.md

Upload local project

initial commit