* add server feature and make tokio and hyper/server and tcp optional
* address review comments
* don't mention any specific runtimes in the example
* sort deps
* add `tokio` feature when adding `ws`
* don't always pull in tower feature that pulls in tokio io stuff
* remove usage of `tokio_cr`
* changelog
* depend on tokio version that supports wasm
* don't make it sound like tokio doesn't support wasm
* call out new default feature
Co-authored-by: Fisher Darling <[email protected]>
Co-authored-by: David Pedersen <[email protected]>
