Add client-side / WASM libraries.

README.md

@@ -940,6 +940,10 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 
 See also [Are we web yet?](http://www.arewewebyet.org) and [Rust web framework comparison](https://github.com/flosse/rust-web-framework-comparison).
 
+* Client-side / WASM
+  * [DenisKolodin/yew](https://github.com/DenisKolodin/yew) [[yew](https://crates.io/crates/yew)] — Rust framework for making client web apps
+  * [koute/cargo-web](https://github.com/koute/cargo-web) [[cargo-web](https://crates.io/crates/cargo-web)] — A Cargo subcommand for the client-side Web [![Build Status](https://api.travis-ci.org/koute/cargo-web.svg)](https://travis-ci.org/koute/cargo-web)
+  * [koute/stdweb](https://github.com/koute/stdweb) [[stdweb](https://crates.io/crates/stdweb)] — A standard library for the client-side Web [![Build Status](https://api.travis-ci.org/koute/stdweb.svg)](https://travis-ci.org/koute/stdweb)
 * HTTP Client
   * [alexcrichton/curl-rust](https://github.com/alexcrichton/curl-rust) — [libcurl](https://curl.haxx.se/libcurl/) bindings [<img src="https://api.travis-ci.org/alexcrichton/curl-rust.svg?branch=master">](https://travis-ci.org/alexcrichton/curl-rust)
   * [hyperium/hyper](https://github.com/hyperium/hyper) — an HTTP implementation [<img src="https://api.travis-ci.org/hyperium/hyper.svg?branch=master">](https://travis-ci.org/hyperium/hyper)