feat(设置): 添加微信二维码联系方式

- 在设置页面新增"联系作者"区块
- 展示微信二维码供用户扫码添加

via [HAPI](https://hapi.run)

Co-Authored-By: HAPI <noreply@hapi.run>

src/pages/SettingsPage.tsx

@@ -68,12 +68,32 @@ export function SettingsPage() {
         </div>
       </motion.div>
 
-      {/* 关于 */}
+      {/* 联系方式 */}
       <motion.div
         initial={{ opacity: 0, y: 20 }}
         animate={{ opacity: 1, y: 0 }}
         transition={{ delay: 0.1 }}
         className="bg-white dark:bg-gray-800 rounded-xl shadow-sm border border-gray-100 dark:border-gray-700 p-6"
+      >
+        <h2 className="font-semibold text-gray-900 dark:text-white mb-4">联系作者</h2>
+        <div className="flex flex-col items-center gap-3">
+          <img
+            src="/wechat-qrcode.jpg"
+            alt="微信二维码"
+            className="w-48 h-48 rounded-lg border border-gray-200 dark:border-gray-600"
+          />
+          <p className="text-sm text-gray-500 dark:text-gray-400">
+            扫一扫上面的二维码图案，加我为朋友
+          </p>
+        </div>
+      </motion.div>
+
+      {/* 关于 */}
+      <motion.div
+        initial={{ opacity: 0, y: 20 }}
+        animate={{ opacity: 1, y: 0 }}
+        transition={{ delay: 0.2 }}
+        className="bg-white dark:bg-gray-800 rounded-xl shadow-sm border border-gray-100 dark:border-gray-700 p-6"
       >
         <h2 className="font-semibold text-gray-900 dark:text-white mb-4">关于 ITTOView</h2>
         <div className="space-y-2 text-sm text-gray-500 dark:text-gray-400">