feat: add translation for zh-CN (#10757)

* feat: add translation for zh-CN

* update: version to 2.3.1

* feat: add Simplified Chinese (zhCN) translations

* update some key to translate

* fix:Remove Duplicates

.changeset/strange-queens-crash.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/dashboard": minor
+---
+
+Added Simplified Chinese (zhCN) translations to admin dashboard

packages/admin/dashboard/src/i18n/languages.ts

@@ -13,8 +13,10 @@ import {
   ro,
   mk,
   mn,
-  ar
+  ar,
+  zhCN
 } from "date-fns/locale"
+
 import { Language } from "./types"
 
 export const languages: Language[] = [
@@ -108,4 +110,10 @@ export const languages: Language[] = [
     ltr: false,
     date_locale: ar,
   },
+  {
+    code: "zhCN",
+    display_name: "简体中文",
+    ltr: true,
+    date_locale: zhCN,
+  },
 ]

packages/admin/dashboard/src/i18n/translations/index.ts

@@ -13,6 +13,7 @@ import ro from "./ro.json"
 import mk from "./mk.json"
 import mn from "./mn.json"
 import ar from "./ar.json"
+import zhCN from "./zhCN.json"
 
 export default {
   de: {
@@ -60,4 +61,7 @@ export default {
   ar: {
     translation: ar,
   },
+  zhCN: {
+    translation: zhCN,
+  },
 }