Updated DirectXTex (markdown)

DirectXTex.md

@@ -348,3 +348,7 @@ On _Windows Subsystem for Linux_, Windows Imaging Component (WIC) is not availab
 * While DXGI 1.0 and DXGI 1.1 include 5:6:5 (``DXGI_FORMAT_B5G6R5_UNORM``) and 5:5:5:1 (``DXGI_FORMAT_B5G5R5A1_UNORM``) pixel format enumerations, the DirectX 10.x and 11.0 Runtimes do not support these formats for use with Direct3D. The DirectX 11.1 runtime, DXGI 1.2, and the WDDM 1.2 driver model or later fully support 16bpp formats (5:6:5, 5:5:5:1, and 4:4:4:4).
 
 * Loading of 96bpp floating-point TIFF files results in a corrupted image prior to Windows 8. This fix is available on Windows 7 SP1 with [KB 2670838](http://support.microsoft.com/kb/2670838) installed.
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+# Additional Information
+
+[Implementation](https://github.com/microsoft/DirectXTK/wiki/Implementation)