69ce33e1ee
This commit adds the `WebClient`, which relies on several parts of our infrastructure: * a `ClientHttpRequestFactory` to drive the underlying client library * a `HttpRequestBuilder` builder API to create the client request * a `WebResponseExtractor` to extract the "low-level" `ClientHttpResponse` into a higher level representation such as a decoded body The `WebResponseExtractors` helper class contains many extractor implementations all based on the `Flux`/`Mono` composition API.