Migrate the gva project to the cmd folder, delete other redundant database configurations, optimize the initialization method of viper, zap, and gorm

server/config/system.go

@@ -5,6 +5,5 @@ type System struct {
 	Addr          int    `mapstructure:"addr" json:"addr" yaml:"addr"`
 	DbType        string `mapstructure:"db-type" json:"dbType" yaml:"db-type"`
 	OssType       string `mapstructure:"oss-type" json:"ossType" yaml:"oss-type"`
-	NeedInitData  bool   `mapstructure:"need-init-data" json:"needInitData" yaml:"need-init-data"`
 	UseMultipoint bool   `mapstructure:"use-multipoint" json:"useMultipoint" yaml:"use-multipoint"`
 }