Add support for DeepSeek API in connector_creator

Author: HammonDDDDD

protollm/connectors/connector_creator.py

@@ -134,6 +134,15 @@ def create_llm_connector(model_url: str, *args: Any, **kwargs: Any) -> CustomCha
         return ChatRESTServer(model=url_and_name[2], base_url=url_and_name[1], *args, **kwargs)
     elif model_url == "test_model":
         return CustomChatOpenAI(model_name=model_url, api_key="test")
+    elif "api.deepseek.com/v1" in model_url or "api.deepseek.com" in model_url:
+    base_url, model_name = model_url.split(";", 1)
+    return ChatOpenAI(
+        base_url=base_url,
+        model=model_name,
+        api_key=os.getenv("OPENAI_KEY"),
+        *args,
+        **kwargs,
+    )
     else:
         raise ValueError("Unsupported provider URL")
     # Possible to add another LangChain compatible connector