docs: big updates to the reference

examples/reference/tostring.rs

@@ -1,10 +1,25 @@
 use dioxus::prelude::*;
-fn main() {}
+use dioxus::ssr;
+
+pub static Example: FC<()> = |cx| {
+    let as_string = use_state(cx, || {
+        // Currently, SSR is only supported for whole VirtualDOMs
+        // This is an easy/low hanging fruit to improve upon
+        let mut dom = VirtualDom::new(SomeApp);
+        dom.rebuild_in_place().unwrap();
+        ssr::render_root(&dom)
+    });
 
-static Example: FC<()> = |cx| {
     cx.render(rsx! {
-        div {
+        div { "{as_string}" }
+    })
+};
 
+static SomeApp: FC<()> = |cx| {
+    cx.render(rsx! {
+        div { style: {background_color: "blue"}
+            h1 {"Some amazing app or component"}
+            p {"Things are great"}
         }
     })
 };