feat: initial microservices project structure

Services:
- api: FastAPI gateway with JWT auth, async endpoints, WebSocket
- worker-gpu: CUDA sentence-transformers, FAISS IVFFlat, Ollama LLM
- worker-indexer: Winnowing+MinHash plagiarism detection, PDF/DOCX extraction
- worker-notifier: SMTP email notifications
- worker-gost: GOST 7.1-2003 and GOST R 7.0.5-2008 formatting

Infrastructure:
- docker-compose.yml (production) + docker-compose.dev.yml (hot reload)
- Nginx reverse proxy + WebSocket support
- PostgreSQL 16 with Alembic migrations
- Elasticsearch 8 with Russian/English analyzers
- MinIO, RabbitMQ, Redis, Ollama

Frontend:
- React 18 + Vite + TypeScript + TailwindCSS + Zustand + React Query v5
- 9 pages: Home, Search, Cabinet, Task, Check, Bibliography, Pricing, Login, Register

Scripts:
- Parser stubs: OpenAlex, КиберЛенинка, arXiv (Phase 0 - to be filled)

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

services/frontend/src/main.tsx

@@ -0,0 +1,59 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import { BrowserRouter, Routes, Route } from 'react-router-dom';
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import { Toaster } from 'react-hot-toast';
+
+import { Layout } from './components/Layout';
+import { Home } from './pages/Home';
+import { Search } from './pages/Search';
+import { Check } from './pages/Check';
+import { Bibliography } from './pages/Bibliography';
+import { Cabinet } from './pages/Cabinet';
+import { Task } from './pages/Task';
+import { Pricing } from './pages/Pricing';
+import { Login } from './pages/Login';
+import { Register } from './pages/Register';
+
+import './index.css';
+
+const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 30000,
+      retry: 1,
+    },
+  },
+});
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <React.StrictMode>
+    <QueryClientProvider client={queryClient}>
+      <BrowserRouter>
+        <Layout>
+          <Routes>
+            <Route path="/" element={<Home />} />
+            <Route path="/search" element={<Search />} />
+            <Route path="/check" element={<Check />} />
+            <Route path="/bibliography" element={<Bibliography />} />
+            <Route path="/cabinet" element={<Cabinet />} />
+            <Route path="/tasks/:taskId" element={<Task />} />
+            <Route path="/pricing" element={<Pricing />} />
+            <Route path="/login" element={<Login />} />
+            <Route path="/register" element={<Register />} />
+          </Routes>
+        </Layout>
+      </BrowserRouter>
+      <Toaster
+        position="top-right"
+        toastOptions={{
+          duration: 4000,
+          style: {
+            borderRadius: '12px',
+            fontSize: '14px',
+          },
+        }}
+      />
+    </QueryClientProvider>
+  </React.StrictMode>
+);