Add comments into each of the function files to make them easier to find

modules/osx/functions/osx-rm-dir-metadata

@@ -5,7 +5,11 @@
 #   Sorin Ionescu <sorin.ionescu@gmail.com>
 #
 
+# function osx-rm-dir-metadata {
+
 find "${@:-$PWD}" \( \
   -type f -name '.DS_Store' -o \
   -type d -name '__MACOSX' \
 \) -print0 | xargs -0 rm -rf
+
+# }