feat(website): add Wave 4 secondary pages (#10145)

## Summary

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## Changes

- **What**: <!-- Core functionality added/modified -->
- **Breaking**: <!-- Any breaking changes (if none, remove this line)
-->
- **Dependencies**: <!-- New dependencies (if none, remove this line)
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## Review Focus

<!-- Critical design decisions or edge cases that need attention -->

<!-- If this PR fixes an issue, uncomment and update the line below -->
<!-- Fixes #ISSUE_NUMBER -->

## Screenshots (if applicable)

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┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-10145-feat-website-add-Wave-4-secondary-pages-3266d73d3650818c9101c7d2086c21ba)
by [Unito](https://www.unito.io)

apps/website/src/components/UseCaseSection.vue

@@ -37,6 +37,8 @@ const activeCategory = ref(0)
             <button
               v-for="(category, index) in categories"
               :key="category"
+              type="button"
+              :aria-pressed="index === activeCategory"
               class="transition-colors"
               :class="
                 index === activeCategory