Topic deduplication/merging now separated from summarisation. Gradio upgrade

Corrected references to extra-index-url in requirements/Dockerfile

Corrected prompt. Now runs Haiku correctly

Updated Dockerfile with packages needed to compile Python wheels (for llama-cpp-python)

Can now specify root path for app with an environment variable

Added support for using local models (specifically Gemma 2b) for topic extraction and summary. Generally improved output format safeguards.

First commit