Ability to change StereoMode max distance from player

Author: koca2000

src/main/java/com/xxmicloxx/NoteBlockAPI/model/playmode/StereoMode.java

@@ -30,4 +30,12 @@ public void play(Player player, Location location, Song song, Layer layer, Note
             CompatibilityUtils.playSound(player, location, InstrumentUtils.getInstrument(note.getInstrument()), soundCategory, volume, pitch, distance);
         }
     }
+
+    public float getMaxDistance() {
+        return maxDistance;
+    }
+
+    public void setMaxDistance(float maxDistance) {
+        this.maxDistance = maxDistance;
+    }
 }