[Feature Request] Request to support proxy auth for azure-storage-cpplite

Hi Azure team,
We are need to using proxy auth (username and password). We found your SDK is not support yet.

Could you support this feature for Curl transport?

https://github.com/Azure/azure-storage-cpplite/blob/master/src/http/libcurl_http_client.cpp
https://github.com/Azure/azure-storage-cpplite/blob/master/src/blob/blob_client.cpp

https://curl.se/libcurl/c/CURLOPT_PROXYAUTH.html

Thanks.