Set up a DEX for the Neutron Leaser

Summary

In order to be able to open lease positions on Neutron, the corresponding Leaser contract needs to be aware of the decentralized exchange which it would support (Astroport).
For this reason, we need to specify the connection between the pirin-1 and the neutron-1 main networks
as well as the standard unordered cannonical source and destination IBC channels.

By voting YES on this proposal, you agree to enable a DEX for the Neutron Astroport Leaser.