add more packages

Author: Carreau

all_repos.txt

@@ -267,6 +267,10 @@ jupyterhub/pytest-jupyterhub              :  https://pypi.org/project/pytest-jup
 jupyterhub/simpervisor                    :  https://pypi.org/project/simpervisor
 jupyterhub/sudospawner                    :  https://pypi.org/project/sudospawner
 jupyterhub/wrapspawner                    :  https://pypi.org/project/wrapspawner
+jupyterhub/traefik-proxy                  :  https://pypi.org/project/jupyterhub-traefik-proxy
+jupyterhub/nbgitpuller-downloader-plugins :  https://pypi.org/project/nbgitpuller_downloader_dropbox
+jupyterhub/nbgitpuller-downloader-plugins :  https://pypi.org/project/nbgitpuller_downloader_generic_web
+jupyterhub/nbgitpuller-downloader-plugins :  https://pypi.org/project/nbgitpuller_downloader_googledrive
 
 
 # misc name don't match