feat(website): add zh-CN translations for homepage and secondary pages (#10157)

## Summary

<!-- One sentence describing what changed and why. -->

## Changes

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

## 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)

<!-- Add screenshots or video recording to help explain your changes -->

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-10157-feat-website-add-zh-CN-translations-for-homepage-and-secondary-pages-3266d73d3650811f918cc35eca62a4bc)
by [Unito](https://www.unito.io)

---------

Co-authored-by: GitHub Action <action@github.com>

apps/website/src/components/GetStartedSection.vue

@@ -1,30 +1,37 @@
 <script setup lang="ts">
-const steps = [
+import { computed } from 'vue'
+import type { Locale } from '../i18n/translations'
+import { t } from '../i18n/translations'
+
+const { locale = 'en' } = defineProps<{ locale?: Locale }>()
+
+const steps = computed(() => [
   {
     number: '1',
-    title: 'Download & Sign Up',
-    description: 'Get Comfy Desktop for free or create a Cloud account'
+    title: t('getStarted.step1.title', locale),
+    description: t('getStarted.step1.desc', locale)
   },
   {
     number: '2',
-    title: 'Load a Workflow',
-    description:
-      'Choose from thousands of community workflows or build your own'
+    title: t('getStarted.step2.title', locale),
+    description: t('getStarted.step2.desc', locale)
   },
   {
     number: '3',
-    title: 'Generate',
-    description: 'Hit run and watch your AI workflow come to life'
+    title: t('getStarted.step3.title', locale),
+    description: t('getStarted.step3.desc', locale)
   }
-]
+])
 </script>
 
 <template>
   <section class="border-t border-white/10 bg-black py-24">
     <div class="mx-auto max-w-7xl px-6 text-center">
-      <h2 class="text-3xl font-bold text-white">Get Started in Minutes</h2>
+      <h2 class="text-3xl font-bold text-white">
+        {{ t('getStarted.heading', locale) }}
+      </h2>
       <p class="mt-4 text-smoke-700">
-        From download to your first AI-generated output in three simple steps
+        {{ t('getStarted.subheading', locale) }}
       </p>
 
       <!-- Steps -->
@@ -55,7 +62,7 @@ const steps = [
         href="/download"
         class="mt-12 inline-block rounded-full bg-brand-yellow px-8 py-3 text-sm font-semibold text-black transition-opacity hover:opacity-90"
       >
-        DOWNLOAD COMFY
+        {{ t('getStarted.cta', locale) }}
       </a>
     </div>
   </section>