Setup HF Metadata

format

better model_config fomratting in report

fix str(e) in HTTPException

add desc to HF readme

better error handling, remove redundant code

fixed edge cases + add robust handling of garch non-convergence and low number of data points -> not posibble to get nonsense preds

added predicto for 1_1 and 4_4 garch daily

fix actions path

fix paths, metadata

swap Jinja2 templates to Streamlit for Report, Update README