feat: add cloud-init scripts management UI in Security section

Add comprehensive cloud-init script management interface in the Security
section, allowing users to create, edit, delete, and reuse cloud-init
scripts across their team.

New Components:
- CloudInitScripts: Main listing page with grid view of scripts
- CloudInitScriptForm: Modal form for create/edit operations

Features:
- Create new cloud-init scripts with name and content
- Edit existing scripts
- Delete scripts with confirmation (requires typing script name)
- View script preview (first 200 characters)
- Scripts are encrypted in database
- Full authorization using CloudInitScriptPolicy
- Real-time updates via Livewire events

UI Location:
- Added to Security section nav: /security/cloud-init-scripts
- Positioned between Cloud Tokens and API Tokens
- Follows existing security UI patterns

Files Created:
- app/Livewire/Security/CloudInitScripts.php
- app/Livewire/Security/CloudInitScriptForm.php
- resources/views/livewire/security/cloud-init-scripts.blade.php
- resources/views/livewire/security/cloud-init-script-form.blade.php

Files Modified:
- routes/web.php - Added route
- resources/views/components/security/navbar.blade.php - Added nav link

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

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

app/Livewire/Security/CloudInitScripts.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Livewire\Security;
+
+use App\Models\CloudInitScript;
+use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
+use Livewire\Component;
+
+class CloudInitScripts extends Component
+{
+    use AuthorizesRequests;
+
+    public $scripts;
+
+    public function mount()
+    {
+        $this->authorize('viewAny', CloudInitScript::class);
+        $this->loadScripts();
+    }
+
+    public function getListeners()
+    {
+        return [
+            'scriptSaved' => 'loadScripts',
+        ];
+    }
+
+    public function loadScripts()
+    {
+        $this->scripts = CloudInitScript::ownedByCurrentTeam()->orderBy('created_at', 'desc')->get();
+    }
+
+    public function deleteScript(int $scriptId)
+    {
+        try {
+            $script = CloudInitScript::ownedByCurrentTeam()->findOrFail($scriptId);
+            $this->authorize('delete', $script);
+
+            $script->delete();
+            $this->loadScripts();
+
+            $this->dispatch('success', 'Cloud-init script deleted successfully.');
+        } catch (\Throwable $e) {
+            return handleError($e, $this);
+        }
+    }
+
+    public function render()
+    {
+        return view('livewire.security.cloud-init-scripts');
+    }
+}