refac: banner scrollbar

src/lib/components/common/Banner.svelte

@@ -83,7 +83,7 @@
 					{/if}
 				</div>
 
-				<div class="flex-1 text-xs text-gray-700 dark:text-white">
+				<div class="flex-1 text-xs text-gray-700 dark:text-white max-h-20 overflow-y-auto">
 					{@html marked.parse(DOMPurify.sanitize(banner.content))}
 				</div>
 			</div>