add base front

frontend/src/root.tsx

@@ -0,0 +1,15 @@
+import { Outlet } from "react-router";
+import { Navbar } from "./components/Navbar";
+import { Footer } from "./components/Footer";
+
+export default function Root() {
+  return (
+    <>
+      <Navbar />
+      <main style={{display: "flex", justifyContent: "center"}}>
+        <Outlet />
+      </main>
+      <Footer />
+    </>
+  );
+}