feat: Implement loyalty and wholesale services with models, routes, and validation

- Added models for loyalty points allocation, redemption, rewards, tiers, tier history, and referrals.
- Created business credit ledger entries, settlements, and settlement items models.
- Developed services for loyalty operations including account management, point allocation, redemption, and referral handling.
- Implemented wholesale credit management services for transactions and settlements.
- Established routes for loyalty and wholesale admin and customer operations with appropriate middleware for authentication and permission checks.
- Introduced validation schemas for loyalty and wholesale operations.
- Set up cron jobs for loyalty reconciliation tasks such as birthday rewards and point expirations.
- Created migration scripts to set up the database schema for loyalty and wholesale features.
- Added unit tests for validation and policy enforcement in loyalty and wholesale services.

app/models/wholesale/paymentAllocation.model.js

@@ -0,0 +1 @@
+module.exports=(s,D)=>s.define("PaymentAllocation",{id:{type:D.STRING,primaryKey:true},event_id:{type:D.STRING(180),allowNull:false,unique:true},payment_id:{type:D.STRING,allowNull:false},business_settlement_id:{type:D.STRING,allowNull:false},amount:{type:D.DECIMAL(15,2),allowNull:false},currency:{type:D.STRING(3),allowNull:false},allocated_at:{type:D.DATE,allowNull:false},allocated_by:{type:D.STRING,allowNull:false}},{tableName:"payment_allocations",timestamps:true});