Add placeholder settings page

packages/frontend/src/app.tsx

@@ -2,6 +2,7 @@ import { Home } from "@/routes/Home";
 import { Login } from "@/routes/Login";
 import { Piece } from "@/routes/Piece";
 import { Root } from "@/routes/Root";
+import { Settings } from "@/routes/Settings";
 import { lazy, StrictMode } from "react";
 import { createRoot } from "react-dom/client";
 import { createBrowserRouter, RouterProvider } from "react-router-dom";
@@ -31,6 +32,10 @@ const router = createBrowserRouter([
 					},
 				],
 			},
+			{
+				path: "settings",
+				Component: Settings,
+			},
 		],
 	},
 	{