Renderers are now packages, not features. (#387)

* feat: use synchronous router design

* feat: function to get router out of dom

* chore: restructure workspace to use renderers as packages, not features

packages/tui/examples/tui_margin.rs

@@ -0,0 +1,50 @@
+use dioxus::prelude::*;
+
+fn main() {
+    dioxus_tui::launch(app);
+}
+
+fn app(cx: Scope) -> Element {
+    cx.render(rsx! {
+        div {
+            width: "100%",
+            height: "100%",
+            flex_direction: "column",
+            background_color: "black",
+            // margin_right: "10px",
+
+            div {
+                width: "70%",
+                height: "70%",
+                background_color: "green",
+                // margin_left: "4px",
+
+                div {
+                    width: "100%",
+                    height: "100%",
+
+                    margin_top: "2px",
+                    margin_bottom: "2px",
+                    margin_left: "2px",
+                    margin_right: "2px",
+                    flex_shrink: "0",
+
+                    background_color: "red",
+                    justify_content: "center",
+                    align_items: "center",
+                    flex_direction: "column",
+
+                    // padding_top: "2px",
+                    // padding_bottom: "2px",
+                    // padding_left: "4px",
+                    // padding_right: "4px",
+
+                    "[A]"
+                    "[A]"
+                    "[A]"
+                    "[A]"
+                }
+            }
+        }
+    })
+}