add gemini-2.0-flash-thinking-exp, gemini-2.0-flash-thinking-exp-01-21

app/constant.ts

@@ -494,7 +494,9 @@ const googleModels = [
   "gemini-exp-1121",
   "gemini-exp-1206",
   "gemini-2.0-flash-exp",
+  "gemini-2.0-flash-thinking-exp",
   "gemini-2.0-flash-thinking-exp-1219",
+  "gemini-2.0-flash-thinking-exp-01-21",
 ];
 
 const anthropicModels = [