Added script to distribute files into submissions

fudist.sh

+#! /bin/sh
+
+if [ $# -lt 1 ] || [ ! -f 'grades.csv' ]; then
+	printf 'Usage: %s [FILE]...\n' "$(basename $0)" >&2
+	printf 'Supply file(s) to be distributed into the respective Submission attachment(s)\n' >&2
+	printf "Execute within the directory containing 'grades.csv'\n" >&2
+	exit 1
+fi
+
+files=$@
+find \
+	-name 'Submission attachment(s)' \
+	-exec cp "$files" {} \;