Give an error if the speaker doesnt init correctly

Makefile

@@ -27,7 +27,7 @@ src/yarn.lock: public src/node_modules src/package.json
 public/script.js: src/script.js src/yarn.lock
 	$(YARN) build
 
-$(APPLICATION_NAME): *.go ffmpeg/*.go speaker/*.go
+$(APPLICATION_NAME): *.go ffmpeg/*.go speaker/*.go go.mod go.sum
 	@go build
 
 build: image js $(APPLICATION_NAME)

discord.go

@@ -34,6 +34,9 @@ func init() {
 
 	// app.voice.LogLevel = discordgo.LogDebug
 
-	discordspeaker.Init(app.voice)
+	err = discordspeaker.Init(app.voice)
+	if err != nil {
+		log.Fatal(err)
+	}
 	log.Println("discord.go done.")
 }