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Broken split button fix

Following the course exactly, the split button in the footer won't work, the dropdown(up) items won't appear. I got mine to work by going to Bootstrap > Getting Started > Download and copying these two <script> lines (below) and replacing the three that were provided for the project. I don't know how this will affect the remaining tutorials, but it fixes the split menu button issue for this lesson.

<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.5/dist/umd/popper.min.js" integrity="sha384-Xe+8cL9oJa6tN/veChSP7q+mnSPaj5Bcu9mPX5F5xIGE0DVittaqT5lorf0EI7Vk" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/js/bootstrap.min.js" integrity="sha384-kjU+l4N0Yf4ZOJErLsIcvOU2qSb74wXpOhqTvwVx3OElZRweTnQ6d31fXEoRD1Jy" crossorigin="anonymous"></script>