Add Container field

database/migrations/2026_02_07_061825_create_containers_table.php

@@ -0,0 +1,25 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up()
+    {
+        Schema::create('containers', function (Blueprint $table) {
+            $table->id();
+            $table->string('container_name');
+            $table->string('container_number')->unique();
+            $table->date('container_date');
+            $table->string('excel_file')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down()
+    {
+        Schema::dropIfExists('containers');
+    }
+};