static/newVersionModal.html

<!-- New Version Modal -->
<div class="modal fade" id="newVersionModal" tabindex="-1" aria-labelledby="newVersionModalLabel" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title">Create New Version</h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div class="modal-body">
        <label for="baseVersionSelect">Select Base Version</label>
        <select id="baseVersionSelect" class="form-control">
          <!-- Dynamically populated -->
        </select>
      </div>
      <div class="modal-footer">
        <button class="btn btn-success" onclick="createNewVersion()">Create</button>
      </div>
    </div>
  </div>
</div>