0.0.8.5 exposed ip fix

Marv Brequested to merge
0.0.8.5-exposed-ip-fix into develop

Created by: bmarv

support for exposed hosting from the express server. host and clients can connect to the exposed server, if the server has a defined .env -file including the ipv4-address in ipv6-format. file .env: IP_ADDRESS=::ffff:<ipv4>

logging for the served host and the used port added

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