This commit adds a lot of new code including the mailman's web frontend. It includes a configuration file which can later be configured to run required configs. Also, the docker-compose file spins off the containers, sets up appropriate volumes and links.
============================= Mailman Suite example project ============================= This example project is meant to give you a quick development setup for using both Hyperkitty and Postorius in a single Django instance, providing you a web interface for Mailman 3 configuration and web access to the archives.