New Crowdin updates (#395)

Completes Italian translation

config/locales/backend/backend.zh.yml

@@ -2,6 +2,7 @@ zh-CN:
   errors:
     unknown: '发生了未知错误'
     unauthorized: '您未被授权'
+    email_domain_not_allowed: 'You cannot register with the provided email address'
     not_logged_in: '您必须登录才能访问该页面'
     not_enough_privileges: '你没有访问此页面的权限'
     user_blocked_or_deleted: '您的账户已被封禁或删除，无法访问。'
@@ -117,12 +118,19 @@ zh-CN:
         custom_domain: 'Custom domain'
       tenant_setting:
         brand_display: '显示模式'
+        use_browser_locale: 'Use browser language'
+        is_private: 'Private site'
+        email_registration_policy: 'Email registration policy'
+        allowed_email_domains: 'Allowed email domains'
         allow_anonymous_feedback: 'Allow anonymous feedback'
         feedback_approval_policy: 'Feedback approval policy'
         show_vote_count: '对用户显示投票数'
         show_vote_button_in_board: '在版块页面显示投票按钮'
+        hide_unused_statuses_in_filter_by_status: 'Hide unused statuses in filter by status'
         show_powered_by: '显示 "技术支持: Astuto"'
         root_board_id: '首页'
+        logo_links_to: 'Logo links to'
+        logo_custom_url: 'Logo custom URL'
         show_roadmap_in_header: '在页眉显示开发路线图链接'
         collapse_boards_in_header: '折叠页眉中的版块'
         custom_css: '自定义 CSS'