Merge pull request #61 from Unity-Technologies/LayeredLit

Fixed default value for Smoothness Detail Scale.

Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/Lit.shader

         _DetailMask("DetailMask", 2D) = "white" {}
         _DetailAlbedoScale("_DetailAlbedoScale", Range(-2.0, 2.0)) = 1
         _DetailNormalScale("_DetailNormalScale", Range(0.0, 2.0)) = 1
-        _DetailSmoothnessScale("_DetailSmoothnessScale", Range(-2.0, 2.0)) = 0.01
+        _DetailSmoothnessScale("_DetailSmoothnessScale", Range(-2.0, 2.0)) = 1
         _DetailHeightScale("_DetailHeightScale", Range(-2.0, 2.0)) = 1
         _DetailAOScale("_DetailAOScale", Range(-2.0, 2.0)) = 1