Add some sound functionality

src/engine/sound.js

@@ -0,0 +1,18 @@
+import Resonator from '../framework/resonator';
+
+
+export default class Sound {
+    constructor() {
+        this.res = new Resonator();
+        this.res.setEnvironmentImpulse(`assets/Greek7EchoHall.wav`);
+        this.ambience = null;
+        this.music = null;
+        this.previousAmbience = null;
+        this.previousMusic = null;
+    }
+
+    play(file) {
+        const sound = this.res.loadImmediate(file);
+        sound.play();
+    }
+}