Update examples, add css

examples/disabled.rs

@@ -1,3 +1,7 @@
+//! A simple demonstration of how to set attributes on buttons to disable them.
+//!
+//! This example also showcases the shorthand syntax for attributes, and how signals themselves implement IntoAttribute
+
 use dioxus::prelude::*;
 
 fn main() {
@@ -8,13 +12,12 @@ fn app() -> Element {
     let mut disabled = use_signal(|| false);
 
     rsx! {
-        div {
+        div { style: "text-align: center; margin: 20px; display: flex; flex-direction: column; align-items: center;",
             button { onclick: move |_| disabled.toggle(),
                 "click to "
                 if disabled() { "enable" } else { "disable" }
                 " the lower button"
             }
-
             button { disabled, "lower button" }
         }
     }