zsh:funcs:finddup: Add TODO to use CRC instead md5

.config/zsh/zshrc.d/40-functions.zsh

@@ -556,6 +556,8 @@ finddup() {
 	# print duplicates
 	# TODO: Fix duplicate lines output in the awk script that currently `sort
 	#       -u` handles
+	# TODO: Use cksum to calculate faster CRC with custom awk solution to print
+	#       duplicates, as `uniq -w32` breaks through the different CRC lengths.
 	find "$@" -type f -exec du '{}' '+' \
 	| sort \
 	| awk '{ if (!_[$1]) { _[$1] = $0 } else { print _[$1]; print $0; } }' \