Updated embeddings for example, package requirements.

Removed langchain and llama-cpp-python (not actively supported anymore) dependencies. Updated packages. Updated default dataset

Updated Dockerfile so it actually works. Modified config file to include/exclude models and change relevant options as needed. Fixed thumbs up/down feedback.

Updated packages, functions, fixed a couple of bugs

Upgraded gradio and packages to latest. Switched Ctransformers with Llama.cpp Python

Init repo