Split audio types into separate files

Raylib-cs/types/Music.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Raylib_cs;
+
+/// <summary>
+/// Music stream type (audio file streaming from memory)<br/>
+/// NOTE: Anything longer than ~10 seconds should be streamed
+/// </summary>
+[StructLayout(LayoutKind.Sequential)]
+public unsafe partial struct Music
+{
+    /// <summary>
+    /// Audio stream
+    /// </summary>
+    public AudioStream Stream;
+
+    /// <summary>
+    /// Total number of samples
+    /// </summary>
+    public uint FrameCount;
+
+    /// <summary>
+    /// Music looping enable
+    /// </summary>
+    public CBool Looping;
+
+    /// <summary>
+    /// Type of music context (audio filetype)
+    /// </summary>
+    public int CtxType;
+
+    //TODO span
+    /// <summary>
+    /// Audio context data, depends on type
+    /// </summary>
+    public void* CtxData;
+}