Add own relay to NIP-05 relay list if configured

app/controllers/well_known_controller.rb

@@ -5,11 +5,19 @@ class WellKnownController < ApplicationController
     @user = User.where(cn: params[:name], ou: domain).first
     http_status :not_found and return if @user.nil? || @user.nostr_pubkey.blank?
 
+    res = {
+      names: { "#{@user.cn}": @user.nostr_pubkey }
+    }
+
+    if Setting.nostr_relay_url
+      res[:relays] = {
+        @user.nostr_pubkey => [ Setting.nostr_relay_url ]
+      }
+    end
+
     respond_to do |format|
       format.json do
-        render json: {
-          names: { "#{@user.cn}": @user.nostr_pubkey }
-        }.to_json
+        render json: res.to_json
       end
     end
   end