Initial commit: TopSysOps site + admin panel

Multi-page public site (Next.js), Node/Express backend with Postgres,
and Vite admin/account app, restructured from a single-page layout
into dedicated service, promotions, cases, about, FAQ, and blog pages
for SEO.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013otXCiTZsxdZ4SJKZ9wUky

admin-app/index.html

@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="ru">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" type="image/svg+xml" href="/icon.svg" />
+    <title>TopSysOps — панель управления</title>
+    <meta name="robots" content="noindex, nofollow" />
+    <meta
+      name="description"
+      content="Админ-панель и личный кабинет TopSysOps."
+    />
+  </head>
+  <body class="bg-slate-50 dark:bg-slate-950 text-slate-900 dark:text-slate-100">
+    <div id="root"></div>
+    <script type="module" src="/src/main.jsx"></script>
+  </body>
+</html>