refactor: separation of shared components

src/components/layout/Header/Header.tsx

@@ -0,0 +1,15 @@
+import { Group } from "@mantine/core";
+import { ColorSchemeToggle } from "@/components/ui/ColorSchemeToggle/ColorSchemeToggle";
+
+const Header = () => {
+    return (
+        <Group
+            justify="flex-end"
+            h="7vh"
+            px="md">
+            <ColorSchemeToggle />
+        </Group>
+    );
+};
+
+export default Header;