Add ProviderAdapter, ProviderFormat, transform_request/response/stream_chunk patterns to lingua#50

knjiang wants to merge 1 commit intomainbraintrustdata/lingua:mainfrom

12-29-add_provideradapter_providerformat_transform_request_response_stream_chunk_patterns_to_linguabraintrustdata/lingua:12-29-add_provideradapter_providerformat_transform_request_response_stream_chunk_patterns_to_linguaCopy head branch name to clipboard