Added Listeners instead of single engine listener

src/Listener.cpp

@@ -0,0 +1,19 @@
+#include "ChargeAudio.hpp"
+#include <Magnum/Math/Vector3.h>
+
+using namespace ChargeAudio;
+
+Listener::Listener() {}
+
+// Controls
+void Listener::SetPosition(Magnum::Vector3 position) {
+  ma_engine_listener_set_position(&baseEngine->maEngine, listenerID,
+                                  position.x(), position.y(), position.z());
+}
+
+Magnum::Vector3 Listener::GetPosition() {
+  ma_vec3f pos =
+      ma_engine_listener_get_position(&baseEngine->maEngine, listenerID);
+  return Magnum::Vector3(pos.x, pos.y, pos.z);
+  ;
+}