add LICENSE file and update README with project details and usage examples

fix typo in success key in EndpointHandler response

added detailed exception traceback printing in EndpointHandler

tqdm package added to requirements.txt

error printing added

changing ref_audio sending format to base64 (to solve error)

importing hf_hub_download

hf:// error solved --> added hf_hub_download

removed whisper from dependencies

Error JSON updated. Remove silence default set to True

Custom endpoint handler added + requirements.txt added

initial commit