Added production order migration file

database/migrations/2026_04_29_100633_create_production_orders_table.php

@@ -0,0 +1,47 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $sql = <<<'SQL'
+            CREATE TABLE production_orders (
+                id					               	BIGINT GENERATED always AS IDENTITY PRIMARY KEY,
+
+                plant_id                            BIGINT NOT NULL,
+                item_id                             BIGINT NOT NULL,
+                quantity                            INT DEFAULT NULL,
+                start_date                          TIMESTAMP DEFAULT NULL,
+                end_date                            TIMESTAMP DEFAULT NULL,
+                production_order                    TEXT UNIQUE,
+                from_serial_number                  TEXT DEFAULT NULL,
+                to_serial_number                    TEXT DEFAULT NULL,
+
+                created_at							TIMESTAMP NOT NULL DEFAULT NOW(),
+                updated_at							TIMESTAMP NOT NULL DEFAULT NOW(),
+                created_by							TEXT DEFAULT NULL,
+                updated_by							TEXT DEFAULT NULL,
+                deleted_at			                TIMESTAMP,
+
+                FOREIGN KEY (plant_id) REFERENCES plants (id),
+                FOREIGN KEY (item_id) REFERENCES items (id)
+            );
+        SQL;
+        DB::statement($sql);
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('production_orders');
+    }
+};