create method
Creates a new Zip archive in the speficied file.
The compressionLevel
indicates how much an item in the archive will
be compressed. It ranges from 0 (no compression) to 9 (maximum
compression).
Throws a ZipException if the file cannot be created.
Implementation
Future<void> create(File file,
{int compressionLevel = kDefaultCompressionLevel}) =>
_manager.sendRequest<void>(_RequestType.create, [file, compressionLevel]);