Added play in background button

scripts/Actions/Audio.ts

@@ -0,0 +1,13 @@
+import { AnimeNotifier } from "../AnimeNotifier"
+
+// Play audio file
+export function playAudio(arn: AnimeNotifier, button: HTMLButtonElement) {
+	if(!arn.audio) {
+		arn.audio = document.createElement("audio") as HTMLAudioElement
+		let source = document.createElement("source") as HTMLSourceElement
+		source.src = button.dataset.src
+		arn.audio.appendChild(source)
+	}
+
+	arn.audio.play()
+}