add support for Baidu yiyan (#2049)

### What problem does this PR solve?

add support for Baidu yiyan

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: Zhedong Cen <cenzhedong2@126.com>

conf/llm_factories.json

@@ -3201,6 +3201,13 @@
             "tags": "LLM",
             "status": "1",
             "llm": []
+        },
+        {
+            "name": "BaiduYiyan",
+            "logo": "",
+            "tags": "LLM",
+            "status": "1",
+            "llm": []
         }
     ]
 }