fix: add DeepSeek-V3.2 default model ratio so it appears in pricing list

setting/ratio_setting/model_ratio.go

@@ -272,6 +272,7 @@ var defaultModelRatio = map[string]float64{
 	"deepseek-ai/DeepSeek-R1":                 0.8,
 	"deepseek-ai/DeepSeek-V3-0324":            0.8,
 	"deepseek-ai/DeepSeek-V3.1":               0.8,
+	"DeepSeek-V3.2":                           0.8,
 }
 
 var defaultModelPrice = map[string]float64{