add banbanmini backend

talkingq-url/interfaces/tts.py

@@ -0,0 +1,27 @@
+from abc import ABC, abstractmethod
+from typing import Optional, List, Any
+
+
+class TTS(ABC):
+    @abstractmethod
+    async def tts(
+        self,
+        text: str,
+        output_file_prefix: Optional[str] = None,
+        tts_format: str = "mp3",
+        selected_role: dict = None,
+        session: Optional[Any] = None,
+        language: str = None,  
+    ) -> Optional[List[str]]:
+        
+        pass
+
+    @abstractmethod
+    async def connect(self):
+        
+        pass
+
+    @abstractmethod
+    async def close(self):
+        
+        pass