Fix CI (pytest sys.path); remove em-dashes and stale quota from README

Add demo screenshots and live Space link to README; add project guide

Add HuggingFace Space configuration frontmatter

preparing for hunggingface deployment

conversational memroy and unit tests created

live evaluations

converted list to string

created app

Improve README

Change README

Update README

final code

Refactor README

initial code

Revise README for RAG Knowledge Search Engine

Initial commit