Added Rosetta to development tools install script

Necessary for Apple Silicon machines -- at least for the time being --
in order to translate Intel based programs that are not ready to run
natively of Silicon hardware yet.

bin/install_dev_tools

@@ -11,3 +11,7 @@ if [[ "$xcode_response" != "y" ]]; then
   printf "ERROR: Xcode CLI tools must be installed before proceeding.\n"
   exit 1
 fi
+
+if [[ -n "$(get_cpu)" ]]; then
+  softwareupdate --install-rosetta
+fi