feat(data): add bank fees to financial records

Included bank fees under financial expenses in the JSON data. This ensures a more accurate and comprehensive representation of all outgoing costs, improving financial tracking and reporting.

data/finances.json

@@ -32,6 +32,9 @@
             },
             "Server Costs": {
                 "EUR": -317.62
+            },
+            "Bank Fees": {
+                "EUR": -49.05
             }
         }
     }