Add 1986/stein/stein.sh

This script runs the two commands suggested in order to get it to output
cleanly. It is suggested other systems might need another set of
characters but one can also get away with just using ./stein so this is
also done but at the end of the script to not cause any problems (it
doesn't show a newline at output).

thanks-for-help.md

@@ -406,6 +406,9 @@ being longer (in 1986 a one liner could be longer) was split to three lines to
 avoid problems with news and mail but as it was the 'Best one liner' it is now
 one line.
 
+Cody also added the [stein.sh](/1986/stein/stein.sh) script which runs the two
+commands that we suggest in order to get it to show clean output.
+
 
 ## <a name="1986_wall"></a>[1986/wall](/1986/wall/wall.c) ([README.md](/1986/wall/README.md]))