Fix HuggingFace color metadata

Update README for HuggingFace Gradio Space

Rebuild with beautiful Gradio UI for HuggingFace Spaces

Fix app.yaml for Databricks deployment

Fix embedding model cache path for Databricks compatibility

Allow manual API key entry if no secret configured

Add Databricks app.yaml config

Add inline document upload beside chat input

Add ability to add more documents to existing knowledge base

Remove API key input from UI - use Streamlit secrets only

Added Dev Container Folder

Fix: Remove OCR dependency for Streamlit Cloud compatibility

Initial commit: RAG Document Assistant