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/appendix/web-basics/CssLayoutDemo.vue

@@ -68,7 +68,10 @@
     </div>
 
     <div class="preview-area">
-      <div class="container" :style="containerStyle">
+      <div
+        class="container"
+        :style="containerStyle"
+      >
         <div
           v-for="n in itemCount"
           :key="n"
@@ -81,7 +84,9 @@
     </div>
 
     <div class="code-display">
-      <div class="code-header">👆 点击代码行可以暂时禁用该属性</div>
+      <div class="code-header">
+        👆 点击代码行可以暂时禁用该属性
+      </div>
       <pre>.container {
   display: flex;
   <div