change support text and link

src/i18n/locales/zh/core.json

@@ -170,7 +170,7 @@
   },
   "member": "成员",
   "member_other": "成员",
-  "message_us": "如果您需要4个QORT开始聊天而无需任何限制",
+  "message_us": "如果您需要 4 个 QORT 来开始无限制地聊天，请通过 Nextcloud（无需注册）或 Discord 联系我们",
   "message": {
     "error": {
       "address_not_found": "找不到您的地址",

src/i18n/locales/zh/question.json

@@ -98,7 +98,9 @@
       "upload_encryption": "upload failed due to failed encryption",
       "upload": "upload failed",
       "use_private_service": "for an encrypted publish please use a service that ends with _PRIVATE",
-      "user_qortal_name": "user has no Qortal name"
+      "user_qortal_name": "user has no Qortal name",
+      "max_size_publish": "每个文件的最大允许大小：{{size}} GB。",
+      "max_size_publish_public": "公共节点上允许的最大文件大小：{{size}} MB。请使用本地节点上传更大的文件。"
     },
     "generic": {
       "calculate_fee": "*the {{ amount }} sats fee is derived from {{ rate }} sats per kb, for a transaction that is approximately 300 bytes in size.",