Replacing Ref-System with unique_ptr<T>

Adding code Goals to README.md

README.md

@@ -1,2 +1,40 @@
-# cigus
+# cigui
 
+# Goal
+
+```cpp
+#include <cigui.hpp>
+
+struct ContentView : public cig::View {
+    void body() {
+        cig::VStack(
+            cig::SystemIcon("globe.fill"),
+            cig::Text("Welcome to Cigui")
+        )
+    }
+}
+
+struct SettingsView : public cig::View {
+    void body() {
+        cig::Tabbed(
+            cig::Tab(
+
+            ).tag("Tab 1"),
+            cig::Tab(
+                cig::VStack(
+                    cig::Text("Other Tab")
+                )
+            )
+        );
+    }
+}
+
+struct MainApp : public cig::App {
+    void body() {
+        cig::WindowGroup()(
+            cig::ViewWindow(new ContentView()),
+            cig::SettingsWindow(new SettingsView())
+        )
+    }
+}
+```