feat: init project SelfChckout

app/layout.tsx

@@ -1,9 +1,15 @@
-import "styles/tailwind.css"
+import "@package/styles/tailwind.css";
+import Navbar from "@organisms/Navbar";
+import React from "react";
+
 
 export default function RootLayout({ children }: { children: React.ReactNode }) {
   return (
     <html lang="en">
-      <body>{children}</body>
+      <body>
+        <Navbar />
+        <main>{children}</main>
+      </body>
     </html>
-  )
+  );
 }