feat: Format currency display to ensure two-digit representation

- Update CurrencyDisplay.vue to use formattedCurrency for gold, silver, and copper values, ensuring consistent two-digit formatting.
- Modify formatEverQuestCurrency function in currency.ts to pad currency values with leading zeros, enhancing visual consistency in currency representation.

src/lib/utils/currency.ts

@@ -43,20 +43,20 @@ export function formatEverQuestCurrency(currency: EverQuestCurrency): string {
   }
   
   if (currency.gold > 0) {
-    parts.push(`${currency.gold}g`)
+    parts.push(`${currency.gold.toString().padStart(2, '0')}g`)
   }
   
   if (currency.silver > 0) {
-    parts.push(`${currency.silver}s`)
+    parts.push(`${currency.silver.toString().padStart(2, '0')}s`)
   }
   
   if (currency.copper > 0) {
-    parts.push(`${currency.copper}c`)
+    parts.push(`${currency.copper.toString().padStart(2, '0')}c`)
   }
   
   // If no currency, show 0c
   if (parts.length === 0) {
-    return '0c'
+    return '00c'
   }
   
   return parts.join(' ')