add support for SILICONFLOW (#1926)

### What problem does this PR solve?

#1853 add support for SILICONFLOW

### Type of change


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

---------

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

web/src/pages/user-setting/setting-model/constant.ts

@@ -28,7 +28,8 @@ export const IconMap = {
   TogetherAI:'together-ai',
   PerfXCould: 'perfx-could',
   Upstage: 'upstage',
-  "novita.ai": 'novita-ai'
+  "novita.ai": 'novita-ai',
+  "SILICONFLOW": 'siliconflow'
 };
 
 export const BedrockRegionList = [