Make fujinet-lib the standard API instead of io_*

[FozzTexx]

Opened as draft, needs testing before merging Taking out of draft

Renamed all the io_*() functions to use fujinet-lib fuji_*() naming and arguments. It makes sense to move forward by making fujinet-lib API the default and any systems that aren't yet using fujinet-lib can have their io_*() functions renamed to be fuji_*() like was done here for Adam.

CONFIG for each platform needs to be tested, look under the Checks tab above for pre-compiled versions.

[FozzTexx]

Issue reported by @tschak909:

Atari test results.

All functions working.

However, An interesting visual bug where the bar doesn't change to indicate an active connection (it checks the wifi status and if it's connected, the bar turns green) CONFIG initializes it to RED by default, and it looks like it's not changing. It does not change if I scan for SSIDs and re-connect. Behavior is same on both emulation and real hardware.

[FozzTexx]

Culprit is screen/bar stuff in the atari/io.c:

bool io_get_wifi_enabled(void)
{
  wifiEnabled = fuji_get_wifi_enabled();

  if (wifiEnabled == 1)
  {
    return true;
  }
  else
  {
    bar_set_color(COLOR_SETTING_FAILED);
    return false;
  }
}

[tschak909]

Thank you.