增加插件安装功能并提升其他功能稳定性 (#1155)

* 增加安装插件demo

* 前端上传demo

* 插件安装初版

* 调整菜单结构

* fix: 修改密码校验 jwt 中的用户 id

* router.go:fix  logger的中间件是默认的，这边日志可以删除；cors的日志打印应当在上面两行启用的时候再进行注释

* 登陆==>登录

* 抽离插件安装方法

* 调整插件功能 提升灵活度

Co-authored-by: zeromake <a390720046@gmail.com>
Co-authored-by: Lu JJ <275955589@qq.com>
Co-authored-by: pnck <hio131@gmail.com>
Co-authored-by: feixuanyu <994085848@qq.com>

server/source/system/authorities_menus.go

@@ -2,6 +2,7 @@ package system
 
 import (
 	"context"
+
 	sysModel "github.com/flipped-aurora/gin-vue-admin/server/model/system"
 	"github.com/flipped-aurora/gin-vue-admin/server/service/system"
 	"github.com/pkg/errors"
@@ -73,10 +74,13 @@ func (i *initMenuAuthority) DataInserted(ctx context.Context) bool {
 	if !ok {
 		return false
 	}
-	var count int64
-	if err := db.Model(&sysModel.SysAuthority{}).
-		Where("authority_id = ?", "9528").Preload("SysBaseMenus").Count(&count); err != nil {
-		return count == 16
+	auth := &sysModel.SysAuthority{}
+	if ret := db.Model(auth).
+		Where("authority_id = ?", 9528).Preload("SysBaseMenus").Find(auth); ret != nil {
+		if ret.Error != nil {
+			return false
+		}
+		return len(auth.SysBaseMenus) > 0
 	}
 	return false
 }