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/nikic/php-parser/lib/PhpParser/Node/VarLikeIdentifier.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Node;
+
+/**
+ * Represents a name that is written in source code with a leading dollar,
+ * but is not a proper variable. The leading dollar is not stored as part of the name.
+ *
+ * Examples: Names in property declarations are formatted as variables. Names in static property
+ * lookups are also formatted as variables.
+ */
+class VarLikeIdentifier extends Identifier {
+    public function getType(): string {
+        return 'VarLikeIdentifier';
+    }
+}