Add try scripts to 2005/aidan + format/typo checks

The try.sh script is for aidan.c; the try.alt.sh is for aidan.alt.c
(which I added some while back based on the author's remarks).

The README.md file has been format and typo fixed.

2005/aidan/try.alt.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2005/aidan alt code
+#
+
+# 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="$CC" everything >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+AIDAN="aidan.alt"
+
+echo "When looking at the output, notice how some of the output is different" 1>&2
+echo "from the aidan.c." 1>&2
+echo 1>&2
+
+read -r -n 1 -p "Press any key to continue: "
+echo "$ ./$AIDAN < blank.sudoku" 1>&2
+./"$AIDAN" < blank.sudoku
+echo 1>&2
+
+read -r -n 1 -p "Press any key to continue: "
+
+
+echo "$ echo IOCCC | ./$AIDAN" 1>&2
+echo IOCCC | ./"$AIDAN"
+echo "What just happened?" 1>&2
+echo 1>&2
+
+echo "$ echo IOCCC | ./$AIDAN 42" 1>&2
+read -r -n 1 -p "Press any key to continue (q = exit pager space = go down a page): "
+echo IOCCC | ./"$AIDAN" 42 1>&2
+echo "Seeing that, was the 'echo IOCCC' relevant?" 1>&2
+echo 1>&2
+
+echo "$ ./$AIDAN < insane1.sudoku" 1>&2
+read -r -n 1 -p "Press any key to continue: "
+./"$AIDAN" < insane1.sudoku
+echo "Did you notice how much slower this is than aidan? If not try try.sh!" 1>&2
+echo 1>&2