Function response_to_string 

pub async fn response_to_string(
    res: Response<Incoming>,
) -> Result<String, HyperContentEncodingError>

Extracts the body of a response as a String. The response must contain a Content-Type with the word text

Currently the only handled Content-Encodings that are supported are

• identity
• x-gzip
• gzip
• deflate TODO: stream