feat: implement Xtream Codes API service for authentication, live channels, VOD, and series, including caching and URL proxying.

lib/features/iptv/services/xtream_service.dart

@@ -18,9 +18,9 @@ class XtreamService {
   XtreamService() {
     _dio = Dio(
       BaseOptions(
-        connectTimeout: const Duration(seconds: 15),
-        receiveTimeout: const Duration(seconds: 15),
-        sendTimeout: const Duration(seconds: 15),
+        connectTimeout: const Duration(seconds: 60),
+        receiveTimeout: const Duration(seconds: 60),
+        sendTimeout: const Duration(seconds: 60),
       ),
     );