SFML library

This is half ported SFML library for AmigaOS4.

https://www.sfml-dev.org/

Modules which ported:

-- System
-- Audio
-- Network

Modules which is _not_ ported currently:

-- Graphics
-- Window

Libraries compiled with GCC 11.3.0.

Versions for Clib2 (Andrea's one) and Newlib are provided.

Clib2 version were compiled almost "as it" , but for Newlib version there were
needs to add custom nanosleep(), deal with "wstrings" and add few defines which
Newlib miss.

You can find few ready-to-try binaries compiled for clib2 in Examples directory.

(c) kas1e 2022.09.25