feat: uv config other feats

- add uv configuration for the backend
- update frontend to make auth work
- add new auth endpoints
- add bookmars feat
- add reader feat

frontend/src/main.tsx

@@ -1,48 +1,8 @@
 import React from "react";
 import ReactDOM from "react-dom/client";
-import { Layout } from "@/components/layout";
-import { BookmarksNotesPage } from "@/components/annotations/BookmarksNotesPage";
+import App from "./App";
 import "./styles.css";
 
-function App(): React.ReactElement {
-  const path = window.location.pathname;
-
-  // Simple client-side routing
-  if (path.startsWith("/books/") && path.includes("bookmarks-notes")) {
-    // /books/:id/bookmarks-notes
-    const bookId = path.split("/")[2];
-    return (
-      <Layout title="Cloud Reader">
-        <BookmarksNotesPage bookId={bookId} />
-      </Layout>
-    );
-  }
-
-  if (path === "/bookmarks-notes" || path === "/bookmarks-notes/") {
-    return (
-      <Layout title="Cloud Reader">
-        <BookmarksNotesPage />
-      </Layout>
-    );
-  }
-
-  // Default: landing page
-  return (
-    <Layout title="Cloud Reader">
-      <div className="page">
-        <h2>Welcome to Cloud Reader</h2>
-        <p>Your personal e-book reader with cross-device sync.</p>
-        <div className="quick-links">
-          <a href="/bookmarks-notes" className="card-link">
-            <h3>Bookmarks & Notes</h3>
-            <p>View and manage all your annotations</p>
-          </a>
-        </div>
-      </div>
-    </Layout>
-  );
-}
-
 const rootElement = document.getElementById("root");
 if (rootElement) {
   ReactDOM.createRoot(rootElement).render(
@@ -50,4 +10,4 @@ if (rootElement) {
       <App />
     </React.StrictMode>
   );
-}
+}