feat(Production): Complete production deployment infrastructure

- Add comprehensive health check system with multiple endpoints
- Add Prometheus metrics endpoint
- Add production logging configurations (5 strategies)
- Add complete deployment documentation suite:
  * QUICKSTART.md - 30-minute deployment guide
  * DEPLOYMENT_CHECKLIST.md - Printable verification checklist
  * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle
  * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference
  * production-logging.md - Logging configuration guide
  * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation
  * README.md - Navigation hub
  * DEPLOYMENT_SUMMARY.md - Executive summary
- Add deployment scripts and automation
- Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment
- Update README with production-ready features

All production infrastructure is now complete and ready for deployment.

examples/dom-parser-usage.php

@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use App\Framework\View\Dom\Parser\HtmlParser;
+use App\Framework\View\Dom\Query\QuerySelector;
+use App\Framework\View\Dom\Renderer\HtmlRenderer;
+use App\Framework\View\Dom\Transformer\XComponentTransformer;
+
+// Example HTML
+$html = <<<HTML
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>Test Document</title>
+    <script>
+        console.log("Hello <world>");
+    </script>
+</head>
+<body>
+    <div class="container">
+        <h1 id="title">Welcome</h1>
+        <x-counter initial="5" />
+        <p>Some text content</p>
+        <!-- This is a comment -->
+        <x-button color="primary">Click me</x-button>
+    </div>
+</body>
+</html>
+HTML;
+
+// 1. Parse HTML to AST
+$parser = new HtmlParser();
+$document = $parser->parse($html);
+
+echo "=== Parsed Document ===\n\n";
+
+// 2. Query DOM
+$querySelector = new QuerySelector();
+
+// Find element by ID
+$title = $querySelector->querySelector($document, '#title');
+if ($title) {
+    echo "Found title: " . $title->getTextContent() . "\n";
+}
+
+// Find elements by class
+$containers = $querySelector->querySelectorAll($document, '.container');
+echo "Found " . count($containers) . " container(s)\n";
+
+// Find all x-components
+$xComponents = $querySelector->querySelectorAll($document, 'x-counter');
+echo "Found " . count($xComponents) . " x-counter component(s)\n\n";
+
+// 3. Transform AST using Visitor
+$transformer = new XComponentTransformer();
+$document->accept($transformer);
+
+$xComponents = $transformer->getXComponents();
+echo "=== X-Components found ===\n";
+foreach ($xComponents as $component) {
+    echo "- <" . $component->getTagName() . ">";
+    foreach ($component->getAttributes() as $attr) {
+        echo " " . $attr;
+    }
+    echo "\n";
+}
+echo "\n";
+
+// 4. Render back to HTML
+$renderer = new HtmlRenderer(pretty: true);
+$output = $renderer->render($document);
+
+echo "=== Rendered HTML (pretty) ===\n\n";
+echo $output;
+
+// 5. Clone and modify
+$cloned = $document->clone();
+$clonedTitle = $querySelector->querySelector($cloned, '#title');
+if ($clonedTitle instanceof \App\Framework\View\Dom\ElementNode) {
+    $clonedTitle->setAttribute('class', 'modified');
+}
+
+echo "\n=== Modified Clone ===\n\n";
+$modifiedOutput = $renderer->render($cloned);
+echo substr($modifiedOutput, 0, 500) . "...\n";
+
+echo "\n✅ DOM Parser working successfully!\n";