- Added addJournalEntryTable method to generate journal entries table
- Table includes columns: Code compte, Libellé compte, Libellé écriture, Débit, Crédit
- Extracts VAT accounts from line 8 (debit side, non-zero only)
- Extracts accounts from line 20 (credit side, non-zero only)
- Adds VAT result on account 4456700 (debit if < 0, credit if >= 0)
- Adds rounding difference on 658000 (if < 0) or 758000 (if > 0)
- Journal table starts on page 2 of the detailed PDF
- Uses proper French accounting terminology and formatting