# printf README.md until '# Component List'
grep -B9999 '# Packages' README.md
echo ''
echo '| package | description |'
echo '|-|-|'
find * -maxdepth 0 -type d | while read pkg; do 
  echo "| [$pkg]($pkg) | $(awk 'NR == 3' $pkg/README.md) |"
done
echo -e "\n> developers: run `./README.sh` to regenerate this README.md after adding a pkg"