feat: add services module with AI predictions

Added comprehensive services management with intelligent predictions:
- New Services page (/services) with Luz, Agua, Gas, Internet tracking
- AI-powered bill prediction based on historical data
- Trend analysis (up/down percentage) for consumption patterns
- Interactive service cards with icons and visual indicators
- Complete payment history with period tracking
- AddServiceModal for registering new bills
- ServiceBill type definition with period tracking (YYYY-MM)
- Services slice in Zustand store
- Predictions engine using historical data analysis

🤖 Generated with [Claude Code](https://claude.com/claude-code)

lib/store.ts

@@ -6,9 +6,11 @@ import { createCardsSlice, CardsSlice } from './store/slices/cardsSlice'
 import { createBudgetSlice, BudgetSlice } from './store/slices/budgetSlice'
 import { createAlertsSlice, AlertsSlice } from './store/slices/alertsSlice'
 
+import { createServicesSlice, ServicesSlice } from './store/slices/servicesSlice'
+
 // Combined State Interface
 // Note: We extend the individual slices to create the full store interface
-export interface FinanzasState extends DebtsSlice, CardsSlice, BudgetSlice, AlertsSlice { }
+export interface FinanzasState extends DebtsSlice, CardsSlice, BudgetSlice, AlertsSlice, ServicesSlice { }
 
 export const useFinanzasStore = create<FinanzasState>()(
   persist(
@@ -17,6 +19,7 @@ export const useFinanzasStore = create<FinanzasState>()(
       ...createCardsSlice(...a),
       ...createBudgetSlice(...a),
       ...createAlertsSlice(...a),
+      ...createServicesSlice(...a),
     }),
     {
       name: 'finanzas-storage',