add comments to build script
add comments to build script

LaunchCodeEducation/cs50x-kansascity,LaunchCodeEducation/cs50x-stlouis,LaunchCodeEducation/cs50x-maryville,LaunchCodeEducation/cs50x-stlouis,LaunchCodeEducation/cs50x-stlouis,LaunchCodeEducation/cs50x-maryville,LaunchCodeEducation/cs50x-maryville,LaunchCodeEducation/cs50x-kansascity,LaunchCodeEducation/cs50x-maryville,LaunchCodeEducation/cs50x-kansascity,LaunchCodeEducation/cs50x-stlouis,LaunchCodeEducation/cs50x-kansascity,LaunchCodeEducation/cs50x-stlouis,LaunchCodeEducation/cs50x-kansascity,LaunchCodeEducation/cs50x-maryville