Server example from README.rst does not work

[senyai]

aioftp/README.rst

Lines 169 to 179 in 226ad64

	.. code-block:: python
	import asyncio
	import aioftp
	async def main():
	server = aioftp.Server([user], path_io_factory=path_io_factory)
	await server.run()
	asyncio.run(main())

This code has undefined user and path_io_factory variables.