Add isSimulator for all targets

[parski]

isSimulator should be available on all targets, not just iOS.

[devicekit-danger-bot]

	3 Warnings
:warning:	Plist changed, don’t forget to localize your plist values
:warning:	Source/Device.generated.swift#L684 - Prefer non-optional booleans over optional booleans.
:warning:	Source/Device.generated.swift#L1399 - Prefer empty collection over optional collection.

SwiftLint found issues

Warnings

File	Line	Reason
Device.generated.swift	825	Lines should not have trailing whitespace.
Device.generated.swift	684	Prefer non-optional booleans over optional booleans.
Device.generated.swift	1399	Prefer empty collection over optional collection.

Generated by :no_entry_sign: Danger