Document props and component macro (#2522)

* document prop attributes

* document children props

* fix children doc test

packages/dioxus/src/lib.rs

@@ -12,7 +12,7 @@
 //! - `router`: exports the [router](https://dioxuslabs.com/learn/0.5/router) and enables any router features for the current platform
 //! - `third-party-renderer`: Just disables warnings about no active platform when no renderers are enabled
 //!
-//! Platform features (the current platform determines what platform the [`launch`](dioxus::prelude::launch) function runs):
+//! Platform features (the current platform determines what platform the [`launch()`] function runs):
 //!
 //! - `fullstack`: enables the fullstack platform. This must be used in combination with the `web` feature for wasm builds and `axum` feature for server builds
 //! - `desktop`: enables the desktop platform