feat: enhance PosAccountsService to include inventoryBankAccount details in responses
refactor: modify PosService to return structured inventory and bank account data
chore: remove isSettled field from CreatePurchaseReceiptDto and adjust related logic
feat: add payments selection in SuppliersService for better payment tracking
chore: apply database migrations to adjust decimal types and enforce constraints
chore: create index on Pos_Accounts for improved query performance
feat: define Supplier and SupplierLedger models in Prisma schema for better data management
