Inspired by [ElvUI](https://git.tukui.org/elvui/elvui/-/blob/beta/ElvUI/Core/PixelPerfect.lua) functionality and confirmed by [other posts](https://www.reddit.com/r/wow/comments/95o2qn/how_to_pixel_perfect_ui/) this AddOn sets the `UIParent` scale to match the WoW "virtual pixels" to real screen size pixels.
