Update README with information about new export and aggregation scripts

docs/README.md

@@ -53,6 +53,8 @@ comptabilite/
 ### Master Script
 
 - **process_all.py** - Master script that runs all processing scripts with unified options
+- **export_all_csv.py** - Exports CSV files for all account statements in one run
+- **aggregate_by_month.py** - Aggregates all account statements by month and creates reports
 
 ## Usage
 
@@ -71,9 +73,12 @@ python process_bourso.py --csv
 python process_bourso.py --pdf-dir ../data/pdf/boursobank --output-dir ../../output/csv --csv
 ```
 
-### Master Script
+### Master Scripts
 
-From the `scripts/` directory, the master script can process all statements at once:
+From the `scripts/` directory, you can use these master scripts:
+
+#### process_all.py
+Process statements with the standard individual scripts:
 
 ```bash
 # Process all statements
@@ -86,6 +91,28 @@ python process_all.py --csv
 python process_all.py --bourso --amex --csv
 ```
 
+#### export_all_csv.py
+Export CSV files for all account statements in one run:
+
+```bash
+# Export all account statements to CSV
+python export_all_csv.py
+
+# Export to specific output directory
+python export_all_csv.py --output-dir /path/to/output
+```
+
+#### aggregate_by_month.py
+Create monthly and yearly aggregated reports from all CSV files:
+
+```bash
+# Aggregate all transactions by month
+python aggregate_by_month.py
+
+# Specify input and output directories
+python aggregate_by_month.py --input-dir /path/to/csv --output-dir /path/to/reports
+```
+
 ## Output
 
 When run with `--csv` flag, each script generates: