pack assets for cloudfront cdn

gz-css-and-js.sh

for css in $(ls ./*/*.css)
do
  mv "$css" "$css.org"
  gzip "$css.org" --stdout > "$css"
  rm "$css.org"
done

for js in $(ls ./*/*.js)
do
  mv "$js" "$js.org"
  gzip "$js.org" --stdout > "$js"
  rm "$js.org"
done