some updates

versioned_docs/version-0.0.7/index.md

@@ -3,6 +3,7 @@ title: Introduction
 slug: /
 ---
 
+## Installation
 On a cargo project run
 ```bash
 cargo add osui
@@ -34,12 +35,16 @@ fn main() {
 fn app() -> Element {
     rsx! {
         // Create a button with a on_click handler
-        button { on_click: Handler::new(move |btn: &mut Button, _, document| {
-            if let Some(count) = document.get_element_by_id::<DataHolder<u32>>("count") {
-                count.data += 1;
-                btn.children.set_text(&count.data.to_string());
-            }
-        }), "0" }
+        button {
+            on_click: fn(btn: &mut Button, _, document) {
+                if let Some(count) = document.get_element_by_id::<DataHolder<u32>>("count") {
+                    count.data += 1;
+                    btn.children.set_text(&count.data.to_string());
+                }
+            },
+
+            "0"
+        }
 
         // Store the data (in this case count)
         data_holder as u32 { id: "count" }