sitch to bevy_persistent to allow two clients

bevy_pkv was holding a file lock to prevent that

crates/hedz_reloaded/src/client/settings.rs

@@ -1,19 +1,30 @@
-use bevy::prelude::*;
-use bevy_pkv::prelude::*;
-
 use crate::{client::audio::SoundSettings, utils::Debounce};
+use bevy::prelude::*;
+use bevy_persistent::{Persistent, StorageFormat};
 
 pub fn plugin(app: &mut App) {
-    #[cfg(not(feature = "dbg"))]
-    app.insert_resource(PkvStore::new("Rustunit", "HEDZ"));
+    app.insert_resource(
+        Persistent::<SoundSettings>::builder()
+            .name("audio")
+            .format(StorageFormat::Ron)
+            .path(
+                dirs::config_dir()
+                    .unwrap()
+                    .join("com.rustunit.hedzreloaded")
+                    .join("audio.ron"),
+            )
+            .default(SoundSettings::default())
+            .build()
+            .unwrap(),
+    );
 
-    app.add_systems(Update, persist_settings.run_if(resource_exists::<PkvStore>));
-    app.add_systems(Startup, load_settings.run_if(resource_exists::<PkvStore>));
+    app.add_systems(Update, persist_settings);
+    app.add_systems(Startup, load_settings);
 }
 
 fn persist_settings(
     settings: Res<SoundSettings>,
-    mut pkv: ResMut<PkvStore>,
+    mut persistent: ResMut<Persistent<SoundSettings>>,
     mut debounce: Debounce<1000>,
 ) -> Result {
     if settings.is_changed() {
@@ -21,16 +32,12 @@ fn persist_settings(
     }
 
     if debounce.finished() {
-        pkv.set("audio", &*settings)?;
+        persistent.set(*settings)?;
     }
 
     Ok(())
 }
 
-fn load_settings(mut settings: ResMut<SoundSettings>, pkv: Res<PkvStore>) -> Result {
-    if let Ok(loaded) = pkv.get::<SoundSettings>("audio") {
-        *settings = loaded;
-    }
-
-    Ok(())
+fn load_settings(persistent: Res<Persistent<SoundSettings>>, mut settings: ResMut<SoundSettings>) {
+    *settings = *persistent.get();
 }