Update the crate root docs.
//! Simple data-oriented GUI.
//!
//! Druid lets you build simple interactive graphical applications that
-//! can be deployed on windows, mac, and linux.
+//! can be deployed on Windows, macOS, Linux, and the web.
//!
//! Druid is built on top of [`druid-shell`], which implements all of the
//! lower-level, platform-specific code, providing a common abstraction
//! As your application grows, you can use [`Lens`]es to expose only certain
//! subsets of your data model to certains subsets of your widget tree.
//!
+//! For more information you should read the [druid book].
+//!
//! # Examples
//!
//! For many more examples, see [`druid/examples`].
//! [`druid-shell`]: https://docs.rs/druid-shell
//! [`piet`]: https://docs.rs/piet
//! [`druid/examples`]: https://github.com/xi-editor/druid/tree/v0.5.0/druid/examples
+//! [druid book]: https://xi-editor.io/druid/intro.html
#![deny(intra_doc_link_resolution_failure, unsafe_code)]
#![allow(clippy::new_ret_no_self, clippy::needless_doctest_main)]
