Fix text encoding issues in NKJV files by removing UTF-8 BOM in readMarkdownFile

frontend/src/App.tsx

@@ -166,8 +166,9 @@ function App() {
 
   // Helper function to format book names for display
   const formatBookName = (bookName: string): string => {
-    // Remove leading numbers and underscores, replace underscores with spaces
-    return bookName.replace(/^\d+_/, '').replace(/_/g, ' ');
+    // Handle both formats: numbered (01_Genesis) and regular (Genesis)
+    const cleanName = bookName.replace(/^\d+_/, ''); // Remove leading number and underscore
+    return cleanName.replace(/_/g, ' '); // Replace underscores with spaces
   };
 
   // Helper function to convert display name back to file name