Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

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Co-Authored-By: Claude <noreply@anthropic.com>

vendor/symfony/filesystem/Exception/IOException.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Filesystem\Exception;
+
+/**
+ * Exception class thrown when a filesystem operation failure happens.
+ *
+ * @author Romain Neutron <imprec@gmail.com>
+ * @author Christian Gärtner <christiangaertner.film@googlemail.com>
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class IOException extends \RuntimeException implements IOExceptionInterface
+{
+    public function __construct(
+        string $message,
+        int $code = 0,
+        ?\Throwable $previous = null,
+        private ?string $path = null,
+    ) {
+        parent::__construct($message, $code, $previous);
+    }
+
+    public function getPath(): ?string
+    {
+        return $this->path;
+    }
+}