Updated Node package install script to use NPM

Yarn has fallen out of favor in the community so have switched to
native NPM support instead.

bin/install_node_packages

@@ -10,7 +10,7 @@ IFS=$'\n\t'
 SCRIPT_PATH="$MAC_OS_CONFIG_PATH/bin/install_node_packages"
 
 if [[ -x "$SCRIPT_PATH" ]]; then
-  check_yarn_install
+  check_npm_install
   "$SCRIPT_PATH"
 else
   printf "WARNING: Node packages install script does not exist or is not executable.\n"