Enabled default routing

database/migrations/2021_08_08_125817_default_route.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class DefaultRoute extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+		Schema::table('system_zone', function (Blueprint $table) {
+			$table->boolean('default')->nullable();
+		});
+
+		DB::statement('CREATE UNIQUE INDEX default_zone ON system_zone (zone_id) WHERE "default" = true');
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+		DB::statement("DROP UNIQUE INDEX default_zone");
+
+		Schema::table('system_zone', function (Blueprint $table) {
+			$table->dropColumn('default');
+		});
+    }
+}