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/components/BookContextMenu.module.css

@@ -0,0 +1,51 @@
+.menu {
+  position: fixed;
+  z-index: 9999;
+  min-width: 180px;
+  background: #fff;
+  border: 1px solid #e5e7eb;
+  border-radius: 8px;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
+  padding: 4px 0;
+  overflow: hidden;
+}
+
+.item {
+  display: block;
+  width: 100%;
+  padding: 10px 16px;
+  border: none;
+  background: transparent;
+  text-align: left;
+  font-size: 14px;
+  color: #374151;
+  cursor: pointer;
+  transition: background 0.1s;
+}
+
+.item:hover:not(:disabled) {
+  background: #f3f4f6;
+}
+
+.item:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.itemDanger {
+  color: #dc2626;
+}
+
+.itemDanger:hover:not(:disabled) {
+  background: #fef2f2;
+}
+
+.itemLoading {
+  color: #6b7280;
+}
+
+.separator {
+  height: 1px;
+  background: #e5e7eb;
+  margin: 4px 0;
+}