Special substitution codes in resource
Gajim should support a special set of replacement codes in resources.
One example situation is home on NFS with multiple computers. Without e.g. "%h" as an automatic substitution for the current hostname one could not run Gajim multiple times on the network, as all clients share the same configuration.
Yes, they would initially start with the same priority set but this would be mitigated by the automatic lowering of priority on auto-idle/status changes.