[NEW] Audio support:

- playmusic(filename)
- pausemusic()
- resumemusic()
- stopmusic()

mini.h

@@ -247,3 +247,8 @@ float freadd();
 const char *freads();
 const char *freadw();
 bool freadb();
+
+void playmusic(const char *filename);
+void pausemusic();
+void resumemusic();
+void stopmusic();