feat: pyrowave support (#354)

At this point, why not..

Calling it `nespyro` since it's slightly modified, uses slang shader
language instead, along other things..

---------

Co-authored-by: DatCaptainHorse <DatCaptainHorse@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

apps/nesinit/src/workload.rs

@@ -303,9 +303,6 @@ const GRAPHICS: &[(&str, &str)] = &[
     // reach and both are told where. Without this a game renders and plays
     // silently, having looked under its own uid and found nothing.
     ("PIPEWIRE_RUNTIME_DIR", crate::services::AUDIO_DIR),
-    // The same, for a client that speaks PulseAudio instead. It does not read
-    // the variable above, and its default is under its own runtime directory.
-    ("PULSE_SERVER", crate::services::PULSE_SERVER),
 ];
 
 /// Mount one share where the descriptor says to put it.