Refactor SNCF processor and add Revolut aggregator

- Fix SNCF NET PAYÉ EN EUROS extraction to correctly parse MENSUEL line
- Extract month/year from PDF content instead of filename
- Add new Revolut CSV processor to aggregate account statements
- Organize Revolut data files into data/csv/revolut/
- Clean up redundant scripts and reports

output/csv/sncf_all_transactions.csv

@@ -1,15 +1,15 @@
-Date,Description,Category,Amount,Source
-01/August/25,Salaire August 25,Salary,3578.49,salaire de AOUT 2025.pdf
-01/April/25,Salaire April 25,Salary,5602.35,salaire de AVRIL 2025.pdf
-01/December/25,Salaire December 25,Salary,3978.49,salaire de DECEMBRE 2025.pdf
-01/February/25,Salaire February 25,Salary,3546.95,salaire de FEVRIER 2025.pdf
-01/January/25,Salaire January 25,Salary,3546.95,salaire de JANVIER 2025.pdf
-01/January/26,Salaire January 26,Salary,3578.49,salaire de JANVIER 2026.pdf
-01/July/25,Salaire July 25,Salary,3578.49,salaire de JUILLET 2025.pdf
-01/June/25,Salaire June 25,Salary,4553.93,salaire de JUIN 2025.pdf
-01/May/25,Salaire May 25,Salary,3578.49,salaire de MAI 2025.pdf
-01/March/25,Salaire March 25,Salary,3546.95,salaire de MARS 2025.pdf
-01/November/25,Salaire November 25,Salary,3554.89,salaire de NOVEMBRE 2025.pdf
-01/October/25,Salaire October 25,Salary,3594.22,salaire de OCTOBRE 2025.pdf
-01/January/2025,Salaire January 2025,Salary,3547.79,salaire de PRIME 2025.pdf
-01/September/25,Salaire September 25,Salary,3578.49,salaire de SEPTEMBRE 2025.pdf
+Date,Description,Category,Amount,Source,Brut Mensuel,Net Imposable,Cumul Annuel
+01/August/2025,Salaire August 2025,Salary,2371.73,salaire de AOUT 2025.pdf,3578.49,2960.05,0.0
+01/April/2025,Salaire April 2025,Salary,4208.38,salaire de AVRIL 2025.pdf,5602.35,4856.24,0.0
+01/December/2025,Salaire December 2025,Salary,2813.89,salaire de DECEMBRE 2025.pdf,3978.49,3333.33,0.0
+01/February/2025,Salaire February 2025,Salary,2542.5,salaire de FEVRIER 2025.pdf,3546.95,2944.45,0.0
+01/January/2025,Salaire January 2025,Salary,2516.0,salaire de JANVIER 2025.pdf,3546.95,2944.45,0.0
+01/January/2026,Salaire January 2026,Salary,2162.4,salaire de JANVIER 2026.pdf,3578.49,3100.71,0.0
+01/July/2025,Salaire July 2025,Salary,2371.73,salaire de JUILLET 2025.pdf,3578.49,2960.05,0.0
+01/June/2025,Salaire June 2025,Salary,3020.27,salaire de JUIN 2025.pdf,4553.93,3765.33,0.0
+01/May/2025,Salaire May 2025,Salary,3082.84,salaire de MAI 2025.pdf,3578.49,3565.85,0.0
+01/March/2025,Salaire March 2025,Salary,2542.5,salaire de MARS 2025.pdf,3546.95,2944.45,0.0
+01/November/2025,Salaire November 2025,Salary,2477.41,salaire de NOVEMBRE 2025.pdf,3554.89,2938.14,0.0
+01/October/2025,Salaire October 2025,Salary,2508.5,salaire de OCTOBRE 2025.pdf,3594.22,2974.67,0.0
+01/January/2025,Salaire January 2025,Salary,2484.12,salaire de PRIME 2025.pdf,3547.79,2931.54,0.0
+01/September/2025,Salaire September 2025,Salary,2496.05,salaire de SEPTEMBRE 2025.pdf,3578.49,2960.05,0.0