Support column name alias mapping

[PhVHoang]

There are cases when a table have already been created but the column names are not conform with typescript naming convention. (eg: "Order_Number"). In case we want to work with these tables while maintaining the naming convention, can we support the column name alias. Something like

export class Organisation {
  @AutoGenerateAttribute({
    strategy: AUTO_GENERATE_ATTRIBUTE_STRATEGY.UUID4,
  })
  id: string;

  @Attribute({
    alias: "Order_Number"
  })
  orderNumber: number;

  @AutoGenerateAttribute({
    strategy: AUTO_GENERATE_ATTRIBUTE_STRATEGY.EPOCH,
    autoUpdate: true, // this will make this attribute and any indexes referencing it auto update for any write operation
  })
  updatedAt: number;
}