🎨 调整供应商目录结构，合并文本输出函数

providers/api2d/base.go

@@ -0,0 +1,18 @@
+package api2d
+
+import (
+	"one-api/providers/openai"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Api2dProvider struct {
+	*openai.OpenAIProvider
+}
+
+// 创建 Api2dProvider
+func CreateApi2dProvider(c *gin.Context) *Api2dProvider {
+	return &Api2dProvider{
+		OpenAIProvider: openai.CreateOpenAIProvider(c, "https://oa.api2d.net"),
+	}
+}