feat: update examples for tui

examples/tui_color_test.rs

@@ -0,0 +1,47 @@
+use dioxus::prelude::*;
+
+fn main() {
+    dioxus::tui::launch_cfg(
+        app,
+        dioxus::tui::Config {
+            rendering_mode: dioxus::tui::RenderingMode::Ansi,
+        },
+    );
+}
+
+fn app(cx: Scope) -> Element {
+    let steps = 50;
+    cx.render(rsx! {
+        div{
+            width: "100%",
+            height: "100%",
+            flex_direction: "column",
+            (0..=steps).map(|x|
+                {
+                    let hue = x as f32*360.0/steps as f32;
+                    cx.render(rsx! {
+                        div{
+                            width: "100%",
+                            height: "100%",
+                            flex_direction: "row",
+                            (0..=steps).map(|y|
+                                {
+                                    let alpha = y as f32*100.0/steps as f32;
+                                    cx.render(rsx! {
+                                        div {
+                                            left: "{x}px",
+                                            top: "{y}px",
+                                            width: "10%",
+                                            height: "100%",
+                                            background_color: "hsl({hue}, 100%, 50%, {alpha}%)",
+                                        }
+                                    })
+                                }
+                            )
+                        }
+                    })
+                }
+            )
+        }
+    })
+}