chore: clean up code by removing trailing whitespace and ensuring consistent formatting across various files = prettier

components/dashboard/category-breakdown.tsx

@@ -17,7 +17,7 @@ export function CategoryBreakdown({ data }: CategoryBreakdownProps) {
   const thisMonthStr = thisMonth.toISOString().slice(0, 7);
 
   const monthExpenses = data.transactions.filter(
-    (t) => t.date.startsWith(thisMonthStr) && t.amount < 0
+    (t) => t.date.startsWith(thisMonthStr) && t.amount < 0,
   );
 
   const categoryTotals = new Map<string, number>();