feat: add PDF to EPUB conversion tool

- Updated package.json to include new dependencies for PDF to EPUB conversion.
- Implemented PdfToEpub component for converting PDF files to EPUB format.
- Added meta information for the new PDF to EPUB tool.
- Created service to handle PDF processing and EPUB file generation.
- Integrated the new tool into the existing PDF tools list.

src/pages/tools/pdf/index.ts

@@ -4,11 +4,13 @@ import { meta as mergePdf } from './merge-pdf/meta';
 import { DefinedTool } from '@tools/defineTool';
 import { tool as compressPdfTool } from './compress-pdf/meta';
 import { tool as protectPdfTool } from './protect-pdf/meta';
+import { meta as pdfToEpub } from './pdf-to-epub/meta';
 
 export const pdfTools: DefinedTool[] = [
   splitPdfMeta,
   pdfRotatePdf,
   compressPdfTool,
   protectPdfTool,
-  mergePdf
+  mergePdf,
+  pdfToEpub
 ];