Add .vscode to .gitignore
Add .vscode to .gitignore

Metadata created by new lightweight IDE from microsoft, vscode

Change-Id: Ie250a850d190922e5666e975463d4fa96a1f270e

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools