* adding function_calling functionality via rust
* fixed rendered YAML file
* removed model_server from envoy.template and forwarding traffic to bright_staff
* fixed bugs in function_calling.rs that were breaking tests. All good now
* updating e2e test to clean up disk usage
* removing Arch* models to be used as a default model if one is not specified
* if the user sets arch-function base_url we should honor it
* fixing demos as we needed to pin to a particular version of huggingface_hub else the chatbot ui wouldn't build
* adding a constant for Arch-Function model name
* fixing some edge cases with calls made to Arch-Function
* fixed JSON parsing issues in function_calling.rs
* fixed bug where the raw response from Arch-Function was re-encoded
* removed debug from supervisord.conf
* commenting out disk cleanup
* adding back disk space
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Co-authored-by: Salman Paracha <salmanparacha@MacBook-Pro-288.local>
Co-authored-by: Salman Paracha <salmanparacha@MacBook-Pro-342.local>