* fix position extraction bug

* remove delimiter for naive parser

* rename vision, add layour and tsr recognizer

* trivial fixing

Add naive chunking method to RAG

* clean rust version project

* clean rust version project

* build python version rag-flow

* add llm API

* refine llm API

* format code

* use minio to store uploaded files; build dialog server;

* add docker compose

* add docker compose