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/egulias/email-validator/src/Validation/Exception/EmptyValidationList.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation\Exception;
+
+use Exception;
+
+class EmptyValidationList extends \InvalidArgumentException
+{
+    /**
+    * @param int $code
+    */
+    public function __construct($code = 0, ?Exception $previous = null)
+    {
+        parent::__construct("Empty validation list is not allowed", $code, $previous);
+    }
+}