feat: added network speed in Bytes

[momokrono]

Hi, this is a simple PR to add B/s for network speed, since it's the standard for non french speakers.
Since an octet is a byte, the code was already there.

[Alexays]

Thanks!

[momokrono]

Thank you instead!
Should I also update the wiki page on the network module?

[momokrono]

I updated it!