add `/api/v5/store/products/batch/create`, `/api/v5/store/products/batch/edit`
add fields `isError` and `isPreprocessing` for statuses of integration delivery
add field `deliveryType` for response of creating integration module with inegration delivery
add `/api/v5/loyalty/account/create`, `/api/v5/loyalty/account/{id}`, `/api/v5/loyalty/account/{id}/edit`
add `/api/v5/loyalty/account/{id}/activate`, `/api/v5/loyalty/account/{id}/bonus/credit`
add `/api/v5/loyalty/account/{id}/bonus/{status}/details`
* refactor library and upgrade version
* remove useless environment variable
* remove unsupported versions from go.mod
* fixes for error handling & data types
* different improvements for errors
* fixes for types and tests
* better coverage, fix error with the unmarshalers