feat(BE-47,48,49,50): implement inventory adjustment system

- Extend DB schema with product_warehouses and stock_logs tables
- Implement stock adjustment API (increase/decrease operations)
- Add comprehensive validation for all adjustment operations
- Implement audit log system for each adjustment with history tracking
- Include transaction handling, DTOs, seeders, and proper error handling
- Add adjustment history API with pagination and filtering

TODO: Integration testing pending

internal/modules/inventory/product-warehouses/controllers/product_warehouse.controller.go

@@ -26,7 +26,6 @@ func (u *ProductWarehouseController) GetAll(c *fiber.Ctx) error {
 	query := &validation.Query{
 		Page:        c.QueryInt("page", 1),
 		Limit:       c.QueryInt("limit", 10),
-		Search:      c.Query("search", ""),
 		ProductId:   uint(c.QueryInt("product_id", 0)),
 		WarehouseId: uint(c.QueryInt("warehouse_id", 0)),
 	}