feature: mongoDB 支持 (#1565)

* feature: mongoDB 支持

* update: 修改错误mongo索引示例

* update: 在system添加use-mongo 开关开启或者关闭mongo

server/config/config.go

@@ -4,6 +4,7 @@ type Server struct {
 	JWT     JWT     `mapstructure:"jwt" json:"jwt" yaml:"jwt"`
 	Zap     Zap     `mapstructure:"zap" json:"zap" yaml:"zap"`
 	Redis   Redis   `mapstructure:"redis" json:"redis" yaml:"redis"`
+	Mongo   Mongo   `json:"mongo" yaml:"mongo" mapstructure:"mongo"`
 	Email   Email   `mapstructure:"email" json:"email" yaml:"email"`
 	System  System  `mapstructure:"system" json:"system" yaml:"system"`
 	Captcha Captcha `mapstructure:"captcha" json:"captcha" yaml:"captcha"`