Upgraded webui to show more upload options and added building without using bun to the webui

lightrag_webui/src/lib/constants.ts

@@ -26,7 +26,12 @@ export const defaultQueryLabel = '*'
 
 // reference: https://developer.mozilla.org/en-US/docs/Web/HTTP/MIME_types/Common_types
 export const supportedFileTypes = {
-  'text/plain': ['.txt', '.md'],
+  'text/plain': [
+      '.txt', '.md', '.html', '.htm', '.tex', '.json', '.xml', '.yaml', '.yml',
+      '.rtf', '.odt', '.epub', '.csv', '.log', '.conf', '.ini', '.properties',
+      '.sql', '.bat', '.sh', '.c', '.cpp', '.py', '.java', '.js', '.ts',
+      '.swift', '.go', '.rb', '.php', '.css', '.scss', '.less'
+  ],
   'application/pdf': ['.pdf'],
   'application/msword': ['.doc'],
   'application/vnd.openxmlformats-officedocument.wordprocessingml.document': ['.docx'],