Split audio types into separate files

Raylib-cs/types/Wave.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Raylib_cs;
+
+/// <summary>
+/// Wave type, defines audio wave data
+/// </summary>
+[StructLayout(LayoutKind.Sequential)]
+public unsafe partial struct Wave
+{
+    /// <summary>
+    /// Number of samples
+    /// </summary>
+    public uint SampleCount;
+
+    /// <summary>
+    /// Frequency (samples per second)
+    /// </summary>
+    public uint SampleRate;
+
+    /// <summary>
+    /// Bit depth (bits per sample): 8, 16, 32 (24 not supported)
+    /// </summary>
+    public uint SampleSize;
+
+    /// <summary>
+    /// Number of channels (1-mono, 2-stereo)
+    /// </summary>
+    public uint Channels;
+
+    //TODO: SPAN<byte>  ?
+    /// <summary>
+    /// Buffer data pointer
+    /// </summary>
+    public void* Data;
+}