Add 2004/kopczynski/try.sh + data files

Added try.sh.

Add data files with reversed output of their respective file. I used
rev(1) to make these but kopczynski-10-rev had to be modified a bit more
to get it to work.

Format/typo check README.md.

2004/kopczynski/try.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2004/kopczynski
+#
+
+# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
+# this way allows us to have the user specify a different compiler in an easy
+# way.
+if [[ -z "$CC" ]]; then
+    CC="cc"
+fi
+
+make CC="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+for f in kopczynski-{8{a,b,c},a,9{,-rev},10{,-rev},11{,-rev}}; do
+    echo "$ cat $f" 1>&2
+    cat "$f"
+    read -r -n 1 -p "Press any key to continue: "
+    ./kopczynski < "$f"
+    echo "" 1>&2
+done