fix: normalize component boundary spacing

packages/ui/components/Timeline.wrn

@@ -1,8 +1,9 @@
 component Timeline {
   props {
+    class = ""
     title = "Timeline"
   }
   view {
-    <section><h2 class="text-lg font-bold">{title}</h2><ol class="mt-5 border-l border-slate-200 pl-6 dark:border-slate-800"><slot /></ol></section>
+    <section class="{class}"><h2 class="text-lg font-bold">{title}</h2><ol class="mt-5 border-l border-slate-200 pl-6 dark:border-slate-800"><slot /></ol></section>
   }
 }