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/phar-io/manifest/src/values/PhpVersionRequirement.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types = 1);
+/*
+ * This file is part of PharIo\Manifest.
+ *
+ * Copyright (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de> and contributors
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ */
+namespace PharIo\Manifest;
+
+use PharIo\Version\VersionConstraint;
+
+class PhpVersionRequirement implements Requirement {
+    /** @var VersionConstraint */
+    private $versionConstraint;
+
+    public function __construct(VersionConstraint $versionConstraint) {
+        $this->versionConstraint = $versionConstraint;
+    }
+
+    public function getVersionConstraint(): VersionConstraint {
+        return $this->versionConstraint;
+    }
+}