serve non connected dht nodes

llarp/dht/messages/findrouter.cpp

@@ -167,6 +167,11 @@ namespace llarp
         replies.emplace_back(new GotRouterMessage(k, txid, {found}, false));
         return true;
       }
+      else if(dht.GetRouter()->nodedb()->Get(K, found))
+      {
+        replies.emplace_back(new GotRouterMessage(k, txid, {found}, false));
+        return true;
+      }
       else
         dht.LookupRouterRelayed(From, txid, k, !iterative, replies);
       return true;