Update zh-CN.json (#498)

Hi, I propose some changes in the zh-CN translation.
"救" is "save" as in "to save/rescue a people". "Save" as in "to save/store a configuration" should be "保存".

packages/lesspass-pure/src/i18n/zh-CN.json

@@ -21,8 +21,8 @@
   "Next": "下一步",
   "NoMatchFor": "没有找到符合下列条件的内容：",
   "NoPassword": "您的数据库里没有保存任何密码配置。",
-  "Options": "Options",
-  "Options by default": "Options by default",
+  "Options": "选项",
+  "Options by default": "默认选项",
   "PasswordProfileCopied": "已复制您的密码配置。",
   "PasswordResetRequired": "请输入登录密码",
   "PasswordResetSuccessful": "已成功重置您的登录密码。",
@@ -30,10 +30,10 @@
   "Register": "注册",
   "Reset my password": "重置我的登录密码",
   "ResetLinkExpired": "此登录密码重置链接已过期。",
-  "Save": "救",
-  "Saved passwords": "Saved passwords",
+  "Save": "保存",
+  "Saved passwords": "已保存密码",
   "Search": "搜索",
-  "Settings": "Settings",
+  "Settings": "设置",
   "Sign In": "登录",
   "Site": "网站名",
   "SiteLoginMasterPasswordMandatory": "网站名、登录名以及主密码均为必填信息。",