Add releases for Windows and Linux

[przemek83]

It might be useful for some users to have releases in form of compiled binaries. Such releases should be done for Windows and Linux.

[sergeevabc]

Dear @przemek83,
Could you be so kind to generate .exe for the rest of us who are mere Windows users w/o compiler?

[przemek83]

@sergeevabc
Windows release is published and available here https://github.com/przemek83/volbx/releases
Linux release still pending.