create new option for mission

database/migrations/2025_07_12_140818_add_colum_to_missions_table.php

@@ -0,0 +1,31 @@
+<?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
+    {
+        Schema::table('missions', function (Blueprint $table) {
+            $table->integer('category_id')->nullable();
+            $table->string('category_name')->nullable();
+            $table->text('explanation')->nullable();
+            $table->string('code')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('missions', function (Blueprint $table) {
+            $table->dropColumn(['category_id', 'category_name', 'explanation', 'code']);
+        });
+    }
+};