Update langchain-huggingface version and adjust imports in dataset and vector_store modules

Remove force update flag from dataset upload in create_vector_store function for improved clarity

Refactor create_vector_store function to streamline vector store creation and update logic, enhance logging, and enforce force update during dataset upload

used only dataset

Refactor knowledge base management functions for improved clarity and error handling

Refactor vector store download and loading logic for improved error handling and clarity

Translate comments and error messages to English for consistency and clarity

Add token validation and repository creation for Hugging Face datasets

Add functionality to save and upload vector store files, and clean up local files post-upload

Enhance vector store management by adding loading and uploading functionality, and update .gitattributes for new file types

Initialize project structure and add configuration for knowledge base and document loading