Update LunarG Whitepaper links to permalinks

This way, if the whitepapers are revised, don't need to change links on this website.

README.md

@@ -88,14 +88,14 @@ A curated list of awesome Vulkan libraries, debuggers and resources. Inspired by
    * [Vulkan Guide](https://github.com/KhronosGroup/Vulkan-Guide)
 * [LunarG](https://lunarg.com)
     * [Vulkan SDK](https://vulkan.lunarg.com/)
-    * [Vulkan SDK Version Compatibility](https://www.lunarg.com/wp-content/uploads/2020/03/Vulkan-SDK-Version-Compatibility_4_20.pdf)
-    * [Introducing the New Vulkan Configurator](https://www.lunarg.com/wp-content/uploads/2020/08/Intro-to-Vulkan-Configurator_08_2020.pdf)
-    * [Unified Validation Layer for Vulkan](https://www.lunarg.com/wp-content/uploads/2020/05/UberLayer_V3.pdf)
-    * [Vulkan Synchronization Validation Quick Start Guide](https://www.lunarg.com/wp-content/uploads/2020/08/Final_Vulkan-Synchronization-Validation-Quick-Start_08_20.pdf)
-    * [Guide to Vulkan Synchronization Validation](https://www.lunarg.com/wp-content/uploads/2020/09/Final_LunarG_Guide_to_Vulkan-Synchronization_Validation_08_20.pdf)
-    * [Vulkan GPU-Assisted Validation](https://www.lunarg.com/wp-content/uploads/2020/05/GPU-Assisted-Validation-Phase-3_09_19.pdf)
-    * [Automatic RelaxedPrecision Decoration and Conversion in Spirv-Opt](https://www.lunarg.com/wp-content/uploads/2020/05/Automatic-RelaxedPrecision-Decoration-and-Conversion-in-Spirv-Opt_r1.pdf)
-    * [SPIR-V Legalization and Size Reduction with spirv-opt](https://www.lunarg.com/wp-content/uploads/2020/05/SPIR-V-Shader-Legalization-and-Size-Reduction-Using-spirv-opt_v1.2.pdf)
+    * [Vulkan SDK Version Compatibility](https://www.lunarg.com/news-insights/white-papers/vulkan-sdk-version-compatibility/)
+    * [Introducing the New Vulkan Configurator](https://www.lunarg.com/news-insights/white-papers/vulkan-validation-layers/)
+    * [Unified Validation Layer for Vulkan](https://www.lunarg.com/news-insights/white-papers/unified-validation-layer-for-vulkan/)
+    * [Vulkan Synchronization Validation Quick Start Guide](https://www.lunarg.com/news-insights/white-papers/vulkan-synchronization-validation-quick-start-guide/)
+    * [Guide to Vulkan Synchronization Validation](https://www.lunarg.com/news-insights/white-papers/guide-to-vulkan-synchronization-validation/)
+    * [Vulkan GPU-Assisted Validation](https://www.lunarg.com/news-insights/white-papers/vulkan-gpu-assisted-validation/)
+    * [Automatic RelaxedPrecision Decoration and Conversion in Spirv-Opt](https://www.lunarg.com/news-insights/white-papers/automatic-relaxedprecision-decoration-and-conversion-in-spirv-opt/)
+    * [SPIR-V Legalization and Size Reduction with spirv-opt](https://www.lunarg.com/news-insights/white-papers/spir-v-legalization-and-size-reduction-with-spirv-opt/)
     * [All White Papers](https://www.lunarg.com/vulkan-white-papers/)
 
 ## Tutorial