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/nikic/php-parser/lib/PhpParser/NodeTraverserInterface.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser;
+
+interface NodeTraverserInterface {
+    /**
+     * Adds a visitor.
+     *
+     * @param NodeVisitor $visitor Visitor to add
+     */
+    public function addVisitor(NodeVisitor $visitor): void;
+
+    /**
+     * Removes an added visitor.
+     */
+    public function removeVisitor(NodeVisitor $visitor): void;
+
+    /**
+     * Traverses an array of nodes using the registered visitors.
+     *
+     * @param Node[] $nodes Array of nodes
+     *
+     * @return Node[] Traversed array of nodes
+     */
+    public function traverse(array $nodes): array;
+}