Enhancement on Substrate Node Template (#8473)

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

substrate/bin/node-template/scripts/init.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-
+# This script is meant to be run on Unix/Linux based systems
 set -e
 
 echo "*** Initializing WASM build environment"