feat(BE): integrate FIFO service for stock adjustments and transfers

- Added FIFO service integration in the adjustments module to manage stockable and usable items for adjustments.
- Created a new repository for adjustment stocks to handle database operations.
- Enhanced the adjustment service to track stock adjustments using FIFO logic for both increase and decrease operations.
- Updated product warehouse DTOs and repositories to include project flock information.
- Implemented FIFO logic in the transfer module to manage stock transfers between warehouses.
- Added integration tests for FIFO operations in stock transfers, ensuring correct stock consumption and replenishment.

internal/database/migrations/20251228112012_create_adjustment_stocks_table.down.sql

@@ -0,0 +1,16 @@
+-- Rollback: Drop adjustment_stocks table
+
+BEGIN;
+
+DROP INDEX IF EXISTS idx_adjustment_stocks_product_warehouse;
+DROP INDEX IF EXISTS idx_adjustment_stocks_stock_log;
+
+ALTER TABLE adjustment_stocks
+DROP CONSTRAINT IF EXISTS fk_adjustment_stocks_product_warehouse;
+
+ALTER TABLE adjustment_stocks
+DROP CONSTRAINT IF EXISTS fk_adjustment_stocks_stock_log;
+
+DROP TABLE IF EXISTS adjustment_stocks;
+
+COMMIT;