Add Chinese (both simplified and traditional) to ui-text.yml

Simplified Chinese:
  zh
  zh-CN

Traditional Chinese:
  zh-HK
  zh-TW

_data/ui-text.yml

@@ -266,5 +266,89 @@ it: &DEFAULT_IT
 it-IT:
   <<: *DEFAULT_IT
 
+# Chinese (simplified)
+# -----------------
+zh: &DEFAULT_ZH
+  page                       : "页面"
+  pagination_previous        : "上一页"
+  pagination_next            : "下一页"
+  breadcrumb_home_label      : "主页"
+  breadcrumb_separator       : "/"
+  toc_label                  : "本页内容"
+  ext_link_label             : "直接链接"
+  less_than                  : "少于"
+  minute_read                : "分钟阅读时长"
+  share_on_label             : "分享到"
+  meta_label                 :
+  tags_label                 : "标签："
+  categories_label           : "分类："
+  date_label                 : "发布时间："
+  comments_label             : "发表评论"
+  comments_title             : "评论"
+  more_label                 : "了解更多"
+  related_label              : "你可能感兴趣的"
+  follow_label               : "关注："
+  feed_label                 : "打赏"
+  powered_by                 : "技术支持："
+  website_label              : "网站"
+  email_label                : "电子邮件"
+  recent_posts               : "最新文章"
+  undefined_wpm              : "_config.yml中未定义words_per_minute参数"
+  comment_form_info          : "您的电子邮件地址不会被公开。（必填项已标注）"
+  comment_form_comment_label : "评论"
+  comment_form_md_info       : "支持Markdown格式"
+  comment_form_name_label    : "姓名"
+  comment_form_email_label   : "电子邮件地址"
+  comment_form_website_label : "网站（可选）"
+  comment_btn_submit         : "提交评论"
+  comment_btn_submitted      : "已提交"
+  comment_success_msg        : "感谢您的评论！审核通过后会显示在网站上。"
+  comment_error_msg          : "抱歉，提交时出错。请确保所有必填项已完成，并重试。"
+  loading_label              : "加载中..."
+zh-CN:
+  <<: *DEFAULT_ZH
+
+# Chinese (traditional)
+# -----------------
+zh-HK: &DEFAULT_ZH_HK
+  page                       : "頁面"
+  pagination_previous        : "上一頁"
+  pagination_next            : "下一頁"
+  breadcrumb_home_label      : "主頁"
+  breadcrumb_separator       : "/"
+  toc_label                  : "本頁內容"
+  ext_link_label             : "直接連結"
+  less_than                  : "少於"
+  minute_read                : "分鐘閱讀時長"
+  share_on_label             : "分享到"
+  meta_label                 :
+  tags_label                 : "標籤："
+  categories_label           : "分類："
+  date_label                 : "發布時間："
+  comments_label             : "發表評論"
+  comments_title             : "評論"
+  more_label                 : "了解更多"
+  related_label              : "你可能感興趣的"
+  follow_label               : "關注："
+  feed_label                 : "打賞"
+  powered_by                 : "技術支持："
+  website_label              : "網站"
+  email_label                : "電子郵件"
+  recent_posts               : "最新文章"
+  undefined_wpm              : "_config.yml中未定義words_per_minute參數"
+  comment_form_info          : "您的電子郵件地址不會被公開。（必填項已標註）"
+  comment_form_comment_label : "評論"
+  comment_form_md_info       : "支持Markdown格式"
+  comment_form_name_label    : "姓名"
+  comment_form_email_label   : "電子郵件地址"
+  comment_form_website_label : "網站（可選）"
+  comment_btn_submit         : "提交評論"
+  comment_btn_submitted      : "已提交"
+  comment_success_msg        : "感謝您的評論！審核通過後會顯示在網站上。"
+  comment_error_msg          : "抱歉，提交時出錯。請確保所有必填項已完成，並重試。"
+  loading_label              : "加載中..."
+zh-TW:
+  <<: *DEFAULT_ZH_HK
+
 # Another locale
 # --------------