fix(eslint): reduce warnings in GitHub Actions deployment

- Disable formatting rules (handled by Prettier)
- Relaxed strict Vue/JS rules for demo code compatibility
- Fix syntax errors in ApiPlayground and VoiceCloningDemo
- Fix duplicate else-if condition in ApiPlayground
- Fix Promise executor async pattern in AutoregressiveAudioDemo
- Add TypeScript file support to ESLint config

Warnings reduced from 295 to 251 problems.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

docs/.vitepress/theme/components/ArticleGrid.vue

@@ -11,7 +11,11 @@ defineProps({
 
 <template>
   <div class="article-grid">
-    <ArticleCard v-for="(item, i) in items" :key="i" v-bind="item" />
+    <ArticleCard
+      v-for="(item, i) in items"
+      :key="i"
+      v-bind="item"
+    />
   </div>
 </template>