Add a NOTE to the <<interfaces-resources-layout, Offset and Stride

Assignment>> section linking to a different explanation of the
requirements in the Vulkan Guide.

Author: oddhack

chapters/interfaces.adoc

@@ -1760,6 +1760,16 @@ The *std140 layout* satisfies the rules for types using the extended
 alignment.
 ====
 
+[NOTE]
+====
+ifdef::site-gen-antora[:guidepath: xref:guide::shader_memory_layout.adoc]
+ifndef::site-gen-antora[:guidepath: link:https://docs.vulkan.org/guide/latest/shader_memory_layout.html]
+
+An alternate explanation of the shader memory requirements, discussing the
+underlying extensions and core versions which affect them, is found in the
+{guidepath}[Vulkan Guide].
+====
+
 
 [[interfaces-builtin-variables]]
 == Built-In Variables