feat(Timeline): new component (#4215)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>
Co-authored-by: Jakub <jakub.michalek@freelo.io>

docs/app/components/content/examples/timeline/TimelineAlternatingLayoutExample.vue

@@ -0,0 +1,34 @@
+<script setup lang="ts">
+import type { TimelineItem } from '@nuxt/ui'
+
+const items: TimelineItem[] = [{
+  date: 'Mar 15, 2025',
+  title: 'Project Kickoff',
+  icon: 'i-lucide-rocket',
+  value: 'kickoff'
+}, {
+  date: 'Mar 22, 2025',
+  title: 'Design Phase',
+  icon: 'i-lucide-palette',
+  value: 'design'
+}, {
+  date: 'Mar 29, 2025',
+  title: 'Development Sprint',
+  icon: 'i-lucide-code',
+  value: 'development'
+}, {
+  date: 'Apr 5, 2025',
+  title: 'Testing & Deployment',
+  icon: 'i-lucide-check-circle',
+  value: 'deployment'
+}]
+</script>
+
+<template>
+  <UTimeline
+    :items="items"
+    :ui="{ item: 'even:flex-row-reverse even:-translate-x-[calc(100%-2rem)] even:text-right' }"
+    :default-value="2"
+    class="w-full translate-x-[calc(50%-2rem)]"
+  />
+</template>