To change coordinators in Wasabi, you add the URI to your config file. Coordinator discovery can be done with Nostr: nostr:nevent1qqsqhhqk453jtpa46q4rteck0nn4rdwcmpv5mjjyl26pqg5ygru82asppamhxue69uhkummnw3ezumt0d5pzqzuaulz7stfxc2zkjzsne5tyzjd95rhrzvdejyhpczand3ntgudtqvzqqqqqqy72u30t