Document all client features

[lucasfernog]

Description

The crate should include all features when building Rust documentation. This can be done by adding the following code to the Cargo.toml:

[package.metadata.docs.rs]
all-features = true

It could also specify that certain APIs are behind a feature flag using the unstable doc_cfg feature.

Motivation

The published documentation under docs.rs does not contain the code behind the communication feature, which makes it hard to find and use.

[tensor-programming]

Will do.