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/console/Completion/Output/CompletionOutputInterface.php

@@ -0,0 +1,25 @@
+<?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\Console\Completion\Output;
+
+use Symfony\Component\Console\Completion\CompletionSuggestions;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Transforms the {@see CompletionSuggestions} object into output readable by the shell completion.
+ *
+ * @author Wouter de Jong <wouter@wouterj.nl>
+ */
+interface CompletionOutputInterface
+{
+    public function write(CompletionSuggestions $suggestions, OutputInterface $output): void;
+}