add Programmyday form github

AudioPlayer/AudioFile.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.IO.Enumeration;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AudioPlayer
+{
+    abstract class AudioFile
+    {
+        protected string fileName;
+        protected string speicherOrt;
+
+        public abstract void Play();
+    }
+}