added router

src/App.tsx

@@ -1,10 +1,18 @@
 import React from "react"
 import FileBrowser from "./components/FileBrowser"
-
+import { BrowserRouter as Router, Switch, Route, Redirect } from "react-router-dom"
+import NotFound from "./components/NotFound"
+  
 const App: React.FC = () => {
 	return (
 		<div>
-			<FileBrowser/>
+			<Router>
+				<Switch>
+					<Route path="/f/" component={FileBrowser}/>
+					<Redirect from="/" exact to="/f/" />
+					<Route path="*" component={NotFound} />
+				</Switch>
+			</Router>
 		</div>
 	)
 }