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

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/RSpade/Bundles/Bootstrap5_Bundle.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\RSpade\Bundles;
+
+use App\RSpade\Core\Bundle\Rsx_Bundle_Abstract;
+
+/**
+ * Bootstrap 5 CDN Bundle
+ *
+ * Provides Bootstrap 5 CSS and JavaScript via CDN.
+ */
+class Bootstrap5_Bundle extends Rsx_Bundle_Abstract
+{
+    /**
+     * Define the bundle configuration
+     *
+     * @return array Bundle configuration
+     */
+    public static function define(): array
+    {
+        return [
+            'include' => [],  // No local files
+            'cdn_assets' => [
+                'css' => [
+                    [
+                        'url' => 'https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.2.3/css/bootstrap.min.css',
+                        'integrity' => 'sha512-SbiR/eusphKoMVVXysTKG/7VseWii+Y3FdHrt0EpKgpToZeemhqHeZeLWLhJutz/2ut2Vw1uQEj2MbRF+TVBUA==',
+                    ],
+                ],
+                'js' => [
+                    [
+                        'url' => 'https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.2.3/js/bootstrap.bundle.min.js',
+                        'integrity' => 'sha512-i9cEfJwUwViEPFKdC1enz4ZRGBj8YQo6QByFTF92YXHi7waCqyexvRD75S5NVTsSiTv7rKWqG9Y5eFxmRsOn0A==',
+                    ],
+                ],
+            ],
+        ];
+    }
+}