title: MRTK 2.0.0 - WMR Controller Model and Shader not included?
body: <p>The newer versions of MRTK-vNext (v2.0.0 Beta 2), don't seem to contain the ability to load the native Controller meshes &amp; shaders. Is there anyway to get these implemented like older versions, or is this something that will be added in the -near- future? The MixedRealityConfigurationGuide states:</p>
  
  <blockquote>
    <p>The MRTK does not currently support native SDK's controller models as Unity does not yet provide the capability to load / render gLTF models, which is the default type of models provided by most SDKs. This will be enhanced when this is available.</p>
  </blockquote>
  
  <p>However, previous versions of the HoloToolKit seemed to have this implemented? I can understand why controllers for Oculus and OpenVR haven't been implemented yet, but why not the WMR ones. Is there anyway to add the older methods into a project running V2.0.0 Beta 2?</p>