Can split passages into sentences. Improved embedding, LLM representation models, improved zero shot capabilities

Reduce outliers now more efficient and relabels with correct vectoriser. Default topic labels now tidier. Hiearchical topics outputs more useful for joining to df afterwards. Switched low resource reduction algorithm to UMAP as default is not good.

Allowed for loading in external topic labels. A few visualisation modifications.

Lots of general fixes. New visualisations, fixed hierarchical vis for zero shot. Added calc all probabilities.

Split off LLM representation, visualisation, and reduce outliers from main function. Added hierarchical visualisation and logs

More efficient embeddings save and representations load/process. Custom visualisation hover option added, formatting improvements. Version 0.1?