add dashscope tts

engine/services/__init__.py

@@ -13,6 +13,7 @@ from services.base import (
     BaseTTSService,
 )
 from services.llm import OpenAILLMService, MockLLMService
+from services.dashscope_tts import DashScopeTTSService
 from services.tts import EdgeTTSService, MockTTSService
 from services.asr import BufferedASRService, MockASRService
 from services.openai_compatible_asr import OpenAICompatibleASRService, SiliconFlowASRService
@@ -33,6 +34,7 @@ __all__ = [
     "OpenAILLMService",
     "MockLLMService",
     # TTS
+    "DashScopeTTSService",
     "EdgeTTSService",
     "MockTTSService",
     # ASR