Pre/Post build step in UBT

Hey so, I had to spend some time figuring this out, since everyones wrong-

{
	"FileVersion": 3,
	"EngineAssociation": "{D6ABF944-42D3-E058-D1F4-5195E5D7E272}",
	"Category": "",
	"Description": "",
	"Modules": [
		{
			"Name": "Doomsday",
			"Type": "Runtime",
			"LoadingPhase": "Default",
			"AdditionalDependencies": [
				"CoreUObject"
			]
		}
	],
	"PostBuildSteps":
		{
			"Win64": [
				"copy \"C:\\dev\\projName\\Binaries\\Win64\\DoomsdayServer.exe\" \"C:\\dev\\Doomsday\\Binaries\\Win64\\WindowsNoEditor\\projName\\Binaries\\Win64\\\"", "echo Exported Server file successfully!"
			]
		}
}

This is JSON, we must treat it as so. Thank me later :wink: