Release version 3.1.20210121 Container images: particify/arsnova-server-core:3.1.20210121 particify/arsnova-server-gateway:3.1.20210108 particify/arsnova-server-websocket:3.1.20210106 particify/arsnova-server-authz:3.1.20210106 particify/arsnova-server-comments:3.1.20210109 particify/arsnova-server-formatting:3 particify/arsnova-webclient:3.1.20210111