Support of native targets (not Discord bot)

KotlinSourceSet with name 'nativeTest' not found.

    when {
        isMacOs && isArm64 -> macosArm64("native")
        isMacOs && !isArm64 -> macosX64("native")
        isLinux && isArm64 -> linuxArm64("native")
        isLinux && !isArm64 -> linuxX64("native")
        isWindows -> mingwX64("native")
        else -> throw GradleException("Host OS is not supported in Kotlin/Native.")
    }