chore: rename ctx to cx

packages/web/examples/landingpage.rs

@@ -12,10 +12,10 @@ fn main() {
     wasm_bindgen_futures::spawn_local(WebsysRenderer::start(App));
 }
 
-static App: FC<()> = |ctx| {
-    let (contents, set_contents) = use_state(&ctx, || "asd");
+static App: FC<()> = |cx| {
+    let (contents, set_contents) = use_state(&cx, || "asd");
 
-    ctx.render(rsx! {
+    cx.render(rsx! {
         div  {
             class: "flex items-center justify-center flex-col"
             div {