fix: update HTML title to mockupAWS

- Change generic 'frontend' title to 'mockupAWS - AWS Cost Simulator'
- Resolves frontend branding issue identified in testing

frontend/src/pages/Compare.tsx

@@ -6,7 +6,7 @@ import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { useComparisonCache } from '@/hooks/useComparison';
 import { ComparisonBarChart, GroupedComparisonChart } from '@/components/charts';
-import { formatCurrency, formatNumber } from '@/components/charts/ChartContainer';
+import { formatCurrency, formatNumber } from '@/components/charts/chart-utils';
 import { Skeleton } from '@/components/ui/skeleton';
 
 interface LocationState {