增加角色按钮数据库备注

server/model/system/sys_authority_btn.go

 package system
 
 type SysAuthorityBtn struct {
-	AuthorityId      string
-	SysMenuID        uint
-	SysBaseMenuBtnID uint
-	SysBaseMenuBtn   SysBaseMenuBtn
+	AuthorityId      string         `gorm:"comment:角色ID"`
+	SysMenuID        uint           `gorm:"comment:菜单ID"`
+	SysBaseMenuBtnID uint           `gorm:"comment:菜单按钮ID"`
+	SysBaseMenuBtn   SysBaseMenuBtn ` gorm:"comment:按钮详情"`
 }