feat: add Chinese localization and new assets for CCW documentation

- Created LICENSE.txt for JavaScript assets including NProgress and React libraries.
- Added runtime JavaScript file for main functionality.
- Introduced new favicon and logo SVG assets for branding.
- Added comprehensive FAQ section in Chinese, covering CCW features, installation, workflows, AI model support, and troubleshooting.

ccw/docs-site/i18n/zh/docusaurus-plugin-content-docs/current/index.mdx

@@ -5,31 +5,49 @@ sidebar_position: 1
 ---
 
 import Link from '@docusaurus/Link';
+import { Workflow, Terminal, HelpCircle } from 'lucide-react';
 
 # 欢迎使用 CCW 帮助文档
 
 <div className="row">
-  <div className="col col--6">
-    <div className="card padding--md">
+  <div className="col col--4">
+    <Link to="/workflows/introduction" className="card padding--md">
       <div className="card__header">
-        <h3>工作流</h3>
+        <div className="header__icon header__icon--success" aria-hidden="true">
+          <Workflow />
+        </div>
+        <h3 className="card__title">工作流</h3>
       </div>
       <div className="card__body">
         <p>探索 15 个工作流级别，从快速执行到智能编排</p>
-        <Link to="/workflows/introduction">开始使用</Link>
       </div>
-    </div>
+    </Link>
   </div>
-  <div className="col col--6">
-    <div className="card padding--md">
+  <div className="col col--4">
+    <Link to="/commands/general/ccw" className="card padding--md">
       <div className="card__header">
-        <h3>命令</h3>
+        <div className="header__icon header__icon--info" aria-hidden="true">
+          <Terminal />
+        </div>
+        <h3 className="card__title">命令</h3>
       </div>
       <div className="card__body">
         <p>完整命令参考，涵盖工作流、issue、CLI 和内存操作</p>
-        <Link to="/commands/general/ccw">浏览命令</Link>
       </div>
-    </div>
+    </Link>
+  </div>
+  <div className="col col--4">
+    <Link to="/faq" className="card padding--md">
+      <div className="card__header">
+        <div className="header__icon header__icon--warning" aria-hidden="true">
+          <HelpCircle />
+        </div>
+        <h3 className="card__title">常见问题</h3>
+      </div>
+      <div className="card__body">
+        <p>常见问题、故障排查与最佳实践</p>
+      </div>
+    </Link>
   </div>
 </div>