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/route/route.go

@@ -9,9 +9,9 @@ import (
 	"gorm.io/gorm"
 
 	constants "gitlab.com/mbugroup/lti-api.git/internal/modules/constants"
+	inventory "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory"
 	master "gitlab.com/mbugroup/lti-api.git/internal/modules/master"
 	users "gitlab.com/mbugroup/lti-api.git/internal/modules/users"
-		inventory "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory"
 	// MODULE IMPORTS
 )
 
@@ -25,7 +25,7 @@ func Routes(app *fiber.App, db *gorm.DB) {
 		users.UserModule{},
 		master.MasterModule{},
 		constants.ConstantModule{},
-				inventory.InventoryModule{},
+		inventory.InventoryModule{},
 		// MODULE REGISTRY
 	}