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fix: [streamlit,: not found (#6)

add ignored provider - chatbase

Refactor code

Update

Downgrade g4f (momently)

Use BestProvider(None) as default provider

Refactor code

add csv, txt crawl

add txt loader

Reduce memory: move usually unused module from global to local scope

Add CSV loader

Use async instead of multi-thread when calling show_available_providers in order to reduce memory usage.

Reduce ttl and enttries for model cache

fix: filetype: None