diff --git a/inst/reveal.js-5.2.1/dist/reveal.css b/inst/reveal.js-5.2.1/dist/reveal.css
new file mode 100644
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+++ b/inst/reveal.js-5.2.1/dist/reveal.css
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+/**
+ * reveal.js 5.2.0
+ * https://revealjs.com
+ * MIT licensed
+ *
+ * Copyright (C) 2011-2024 Hakim El Hattab, https://hakim.se
+ */
+
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