update .gitignore
update .gitignore

jamesfolberth/NGC_STEM_camp_AWS,jamesfolberth/jupyterhub_AWS_deployment,jamesfolberth/jupyterhub_AWS_deployment,jamesfolberth/jupyterhub_AWS_deployment,jamesfolberth/jupyterhub_AWS_deployment,jamesfolberth/NGC_STEM_camp_AWS