Add document translation key to all locale files

lightrag_webui/src/locales/ar.json

@@ -189,6 +189,7 @@
       "group": "مجموعة",
       "technology": "العلوم",
       "product": "منتج",
+      "document": "وثيقة",
       "other": "أخرى"
     },
     "sideBar": {

lightrag_webui/src/locales/en.json

@@ -189,6 +189,7 @@
       "group": "Group",
       "technology": "Technology",
       "product": "Product",
+      "document": "Document",
       "other": "Other"
     },
     "sideBar": {

lightrag_webui/src/locales/fr.json

@@ -189,6 +189,7 @@
       "group": "Groupe",
       "technology": "Technologie",
       "product": "Produit",
+      "document": "Document",
       "other": "Autre"
     },
     "sideBar": {

lightrag_webui/src/locales/zh.json

@@ -189,6 +189,7 @@
       "group": "群组",
       "technology": "技术",
       "product": "产品",
+      "document": "文档",
       "other": "其他"
     },
     "sideBar": {

lightrag_webui/src/locales/zh_TW.json

@@ -189,6 +189,7 @@
       "group": "群組",
       "technology": "技術",
       "product": "產品",
+      "document": "文檔",
       "other": "其他"
     },
     "sideBar": {