feat: initial support of Dall-E (#148, #266)

* feat: initial support of Dall-E

* fix: fix N not timed

---------

Co-authored-by: JustSong <songquanpeng@foxmail.com>
Co-authored-by: JustSong <39998050+songquanpeng@users.noreply.github.com>

controller/model.go

@@ -2,6 +2,7 @@ package controller
 
 import (
 	"fmt"
+
 	"github.com/gin-gonic/gin"
 )
 
@@ -53,6 +54,15 @@ func init() {
 	})
 	// https://platform.openai.com/docs/models/model-endpoint-compatibility
 	openAIModels = []OpenAIModels{
+		{
+			Id:         "dall-e",
+			Object:     "model",
+			Created:    1677649963,
+			OwnedBy:    "openai",
+			Permission: permission,
+			Root:       "dall-e",
+			Parent:     nil,
+		},
 		{
 			Id:         "gpt-3.5-turbo",
 			Object:     "model",