Replace howler.js with simple <audio />, will hopefully resolve

some weird mobile browser behaviours

app/assets/javascripts/components/middleware/sounds.jsx

@@ -0,0 +1,22 @@
+const play = audio => {
+  if (!audio.paused) {
+    audio.pause();
+    audio.fastSeek(0);
+  }
+
+  audio.play();
+};
+
+export default function soundsMiddleware() {
+  const soundCache = {
+    boop: new Audio(['/sounds/boop.mp3'])
+  };
+
+  return ({ dispatch }) => next => (action) => {
+    if (action.meta && action.meta.sound && soundCache[action.meta.sound]) {
+      play(soundCache[action.meta.sound]);
+    }
+
+    return next(action);
+  };
+};