front: errors: translated using weblate (Chinese (Simplified Han script))

Currently translated at 1.8% (4 of 222 strings)

Translation: OSRD/Errors
Translate-URL: https://hosted.weblate.org/projects/osrd/errors/zh_Hans/

Signed-off-by: Broken Cloud <jgbsxx20130315@gmail.com>

Author: BrokenC1oud

front/public/locales/zh_Hans/errors.json

@@ -1 +1,6 @@
-{}
+{
+  "401": "未授权的用户",
+  "403": "访问拒绝",
+  "404": "资源未找到",
+  "500": "服务器错误"
+}