Registration endpoint handler
Adds an event listener that handles players connecting to the registration host, contacting the backend to generate a code.
- Configurable host
- Splits around first
.
, where preceding values form the server ID if the subsequent values match the configured registration host - Registration feature is optional - if host is not defined, feature is disabled
- Disconnects players with the generated code, or a generic error if it fails
- The server ID and code are both treated as strings