Split Enums, Structs & Classes into own files

Raylib-cs/NPatchLayout.cs

@@ -0,0 +1,21 @@
+namespace Raylib_cs
+{
+    /// <summary>N-patch layout</summary>
+    public enum NPatchLayout
+    {
+        /// <summary>
+        /// Npatch defined by 3x3 tiles
+        /// </summary>
+        NPATCH_NINE_PATCH = 0,
+
+        /// <summary>
+        /// Npatch defined by 1x3 tiles
+        /// </summary>
+        NPATCH_THREE_PATCH_VERTICAL,
+
+        /// <summary>
+        /// Npatch defined by 3x1 tiles
+        /// </summary>
+        NPATCH_THREE_PATCH_HORIZONTAL
+    }
+}