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/giggsey/libphonenumber-for-php/src/ShortNumberCost.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace libphonenumber;
+
+/**
+ * Cost categories of short numbers
+ * @package libphonenumber
+ */
+class ShortNumberCost
+{
+    public const TOLL_FREE = 3;
+    public const PREMIUM_RATE = 4;
+    public const STANDARD_RATE = 30;
+    public const UNKNOWN_COST = 10;
+}