message: Reduce instruction amount for usability
diff: <ol>
  <li>Generate a Nano block below. No wallet login needed.</li>
  <li><a routerLink="/qr-scan" routerLinkActive="active" class="uk-modal-close">Scan</a> the unsigned QR with an offline Nault, or copy the "Unsigned Block" to <a routerLink="/remote-signing" routerLinkActive="active" class="uk-modal-close">Step 2</a>.</li>
  - <li><a routerLink="/qr-scan" routerLinkActive="active" class="uk-modal-close">Scan</a> the new signed QR with an online Nault, or copy the "Signed Block" to <a routerLink="/remote-signing" routerLinkActive="active" class="uk-modal-close">Step 3</a>.</li>
  </ol>
  <div class="uk-margin-small-bottom">
  