Summary:
1) Forced consistend line endings in VSCode on all OSes
2) Copied VSCode settings to both root folder and "desktop" subfolder so both these folders can be opened as VSCode workspace
Reviewed By: passy
Differential Revision: D20724126
fbshipit-source-id: b9e35c6a055457e05cd1c2d6145a58820cc511f8
