Feat: remove flag

docs.json

@@ -13,10 +13,9 @@
     "dark": "/logo/dify-logo.svg"
   },
   "navigation": {
-    "languages": [
+    "versions": [
       {
-        "language": "en",
-        "href": "/en/introduction",
+        "version": "English",
         "tabs": [
           {
             "tab": "Documentation",
@@ -476,8 +475,7 @@
         ]
       },
       {
-        "language": "cn",
-        "href": "/zh-hans/introduction",
+        "version": "简体中文",
         "tabs": [
           {
             "tab": "使用文档",
@@ -977,8 +975,7 @@
         ]
       },
       {
-        "language": "ja",
-        "href": "/ja-jp/introduction",
+        "version": "日本語",
         "tabs": [
           {
             "tab": "ドキュメント",
@@ -1439,6 +1436,10 @@
             ]
           }
         ]
+      },
+      {
+        "version": "Archived",
+        "href": "https://legacy-docs.dify.ai/"
       }
     ]
   },