feat: Implement TTS playback store and enhance reading progress synchronization

- Added ReaderTtsPlaybackStore to manage TTS start requests with a maximum of 4 pending requests.
- Updated app configuration to use a production API URL.
- Enhanced BookmarkModel to infer type when not provided by the API for backward compatibility.
- Introduced methods in LocalStore for saving, loading, and clearing the last route path.
- Implemented syncProgress method in BookshelfNotifier to update reading progress and bookmarks from the server.
- Modified ReaderScreen to handle chapter navigation and TTS playback more effectively, including auto-start logic.
- Updated TtsPlayerWidget to accept additional parameters for chapter navigation.
- Enhanced TtsNotifier to handle new parameters for TTS requests and manage playback state.
- Improved SplashScreen to restore the last visited route after splash screen display.

README.md

@@ -115,3 +115,11 @@ Optional (iOS/web):
 ```bash
 --dart-define=GOOGLE_CLIENT_ID=<YOUR_IOS_OR_WEB_CLIENT_ID>.apps.googleusercontent.com
 ```
+
+
+Noted:
+
+Với MIUI:
+Cần hướng dẫn user (không thể fix bằng code)
+MIUI AutoStart: User phải vào Cài đặt → Ứng dụng → [app] → AutoStart và bật thủ công
+MIUI Battery Optimization: User phải vào Cài đặt → Pin → Ứng dụng tiêu hao pin → [app] → chọn "Không hạn chế" (permission REQUEST_IGNORE_BATTERY_OPTIMIZATIONS đã có trong Manifest để trigger dialog, nhưng user vẫn phải accept)