allow conversation with some document (.pdf, .txt)

frontend/src/_locales/zh-hans/main.json

@@ -254,5 +254,12 @@
   "User Name": "用户名称",
   "Assistant Name": "AI名称",
   "Insert default system prompt at the beginning": "在开头自动插入默认系统提示",
-  "Format Content": "规范格式"
+  "Format Content": "规范格式",
+  "Add An Attachment (Accepts pdf, txt)": "添加一个附件 (支持pdf, txt)",
+  "Uploading Attachment": "正在上传附件",
+  "Remove Attachment": "移除附件",
+  "The content of file": "文件",
+  "is as follows. When replying to me, consider the file content and respond accordingly:": "内容如下。回复时考虑文件内容并做出相应回复:",
+  "What's the file name": "文件名是什么",
+  "The file name is: ": "文件名是："
 }