feat: LOAPI-19 added .epub into black-list

Author: DrewsAbuse

src/validations.test.ts

@@ -10,6 +10,7 @@ it.each`
 
 it.each`
   filename
+  ${'book.epub'}
   ${'project.mpp'}
   ${'email.msg'}
   ${'image.jpg'}

src/validations.ts

@@ -12,6 +12,7 @@ const UNSUPPORTED_FILE_EXTENSIONS = [
   '.dwg',
   '.msg',
   '.mpp',
+  '.epub',
 ];
 
 export function canBeConvertedToPDF(filename: string): boolean {