added comment containing an explanation of the Dockerfile's purpose, including a link to the wiki page with detailed usage instructions
added comment containing an explanation of the Dockerfile's purpose, including a link to the wiki page with detailed usage instructions

jamesbeebop/evennia,feend78/evennia,feend78/evennia,jamesbeebop/evennia,feend78/evennia,jamesbeebop/evennia,feend78/evennia