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/http-kernel/UriSigner.php

@@ -0,0 +1,27 @@
+<?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\HttpKernel;
+
+use Symfony\Component\HttpFoundation\UriSigner as HttpFoundationUriSigner;
+
+trigger_deprecation('symfony/http-kernel', '6.4', 'The "%s" class is deprecated, use "%s" instead.', UriSigner::class, HttpFoundationUriSigner::class);
+
+class_exists(HttpFoundationUriSigner::class);
+
+if (false) {
+    /**
+     * @deprecated since Symfony 6.4, to be removed in 7.0, use {@link HttpFoundationUriSigner} instead
+     */
+    class UriSigner extends HttpFoundationUriSigner
+    {
+    }
+}