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>

app/Http/Middleware/ValidateSignature.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Illuminate\Routing\Middleware\ValidateSignature as Middleware;
+
+class ValidateSignature extends Middleware
+{
+    /**
+     * The names of the query string parameters that should be ignored.
+     *
+     * @var array<int, string>
+     */
+    protected $except = [
+        // 'fbclid',
+        // 'utm_campaign',
+        // 'utm_content',
+        // 'utm_medium',
+        // 'utm_source',
+        // 'utm_term',
+    ];
+}