i18n: Chinese translation

locales/zh-CN.json

@@ -225,8 +225,10 @@
     },
     "interface": {
       "color_mode": "颜色",
+      "dark_mode": "暗色模式",
       "font_size": "字号",
-      "label": "外观"
+      "label": "外观",
+      "light_mode": "亮色模式"
     },
     "language": {
       "display_language": "首选语言",
@@ -251,6 +253,8 @@
     },
     "select_a_settings": "在左侧选择一个设置",
     "users": {
+      "export": "导出用户令牌",
+      "import": "导入用户令牌",
       "label": "当前用户"
     }
   },