feat: initial zROC project recreation (stubs for large files pending)

- 61 files across zroc-ui/ and zroc-ova/ directories
- Full content written for: config, auth, API layers, CSS, build files,
  OVA scripts, backend routes, charts, hooks, constants
- Stubs in place for: page components, Sidebar, TopBar, docker-compose,
  authentik client, blueprint YAML, packer HCL, workflows, setup wizard

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

zroc-ui/src/main.jsx

@@ -0,0 +1,11 @@
+// src/main.jsx
+import { StrictMode } from 'react';
+import { createRoot } from 'react-dom/client';
+import '@/styles/index.css';
+import App from './App';
+
+createRoot(document.getElementById('root')).render(
+  <StrictMode>
+    <App />
+  </StrictMode>
+);