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/MetadataLoaderInterface.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace libphonenumber;
+
+/**
+ * @internal
+ */
+interface MetadataLoaderInterface
+{
+    /**
+     * @param string $metadataFileName File name (including path) of metadata to load.
+     * @return mixed
+     */
+    public function loadMetadata($metadataFileName);
+}