Add localized labels and buttons for chat input fields in multiple languages, enhancing user interface accessibility and internationalization support.

docroot/text_zh_CN.xml

@@ -1,5 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <messages>
+    <message id="label_nick">
+        <text>请输入用于聊天的昵称：</text>
+    </message>
+    <message id="label_gender">
+        <text>性别：</text>
+    </message>
+    <message id="label_age">
+        <text>年龄：</text>
+    </message>
+    <message id="label_country">
+        <text>国家：</text>
+    </message>
+    <message id="button_start_chat">
+        <text>开始聊天</text>
+    </message>
     <message id="welcome">
         <main>
             <header>