Added Navbar

frontend/app/components/Navbar.tsx

@@ -0,0 +1,11 @@
+const Navbar = () => {
+  return (
+    <div className="bg-red-100 grid grid-cols-3 px-8 py-4">
+      <div className="text-left">Logo Here</div>
+      <div className="text-center">Supplier || Customer</div>
+      <div className="text-right">Logout</div>
+    </div>
+  );
+};
+
+export default Navbar;