初始化项目框架，完成部分接口开发

internal/model/do/book_ratings.go

@@ -0,0 +1,21 @@
+// =================================================================================
+// Code generated and maintained by GoFrame CLI tool. DO NOT EDIT.
+// =================================================================================
+
+package do
+
+import (
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gtime"
+)
+
+// BookRatings is the golang structure of table book_ratings for DAO operations like Where/Data.
+type BookRatings struct {
+	g.Meta    `orm:"table:book_ratings, do:true"`
+	Id        interface{} // 评分ID
+	UserId    interface{} // 用户ID
+	BookId    interface{} // 小说ID
+	Score     interface{} // 评分（0~10）
+	Comment   interface{} // 用户评论
+	CreatedAt *gtime.Time // 创建时间
+}