feat: list file contents

frontend/src/App.tsx

@@ -1,10 +1,10 @@
 // import { FilesList } from "./components/FilesList";
 // import { FileContent } from "./components/FileContent";
-import { Root } from "./components/Root";
+import { Obi } from "./components/Obi";
 import "./index.css";
 
 export function App() {
-  return (<Root/ >);
+  return (<Obi />);
 }
 
 export default App;