FEAT: add engine ability display

Author: OliverBryant

xinference/model/utils.py

@@ -431,7 +431,7 @@ def __exit__(self, exc_type, exc_val, exc_tb):
 def get_engine_params_by_name(
     model_type: Optional[str], model_name: str
 ) -> Optional[Dict[str, Union[List[Dict[str, Any]], str]]]:
-    engine_params: Dict[str, Union[List[Dict[str, Any]], str]] = {}
+    engine_params: Dict[str, Any] = {}
 
     if model_type == "LLM":
         from .llm.llm_family import LLM_ENGINES, SUPPORTED_ENGINES