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/nette/utils/src/StaticClass.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette;
+
+
+/**
+ * Static class.
+ */
+trait StaticClass
+{
+	/**
+	 * Class is static and cannot be instantiated.
+	 */
+	private function __construct()
+	{
+	}
+
+
+	/**
+	 * Call to undefined static method.
+	 * @throws MemberAccessException
+	 */
+	public static function __callStatic(string $name, array $args): mixed
+	{
+		Utils\ObjectHelpers::strictStaticCall(static::class, $name);
+	}
+}