Simplify setup (#46)

src/routes/api/code/audio-play.js

@@ -0,0 +1,9 @@
+import { audio } from 'svelte-podcast';
+
+// play the current audio source
+// do nothing if it's already playing
+audio.play('set');
+
+// play the current audio if it's paused
+// pause the current audio if it's playing
+audio.play('toggle');