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/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "academic-helper-frontend",
+  "version": "0.1.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "lint": "eslint . --ext ts,tsx",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "react": "^18.3.0",
+    "react-dom": "^18.3.0",
+    "react-router-dom": "^6.23.0",
+    "@tanstack/react-query": "^5.40.0",
+    "zustand": "^4.5.2",
+    "axios": "^1.7.2",
+    "react-dropzone": "^14.2.3",
+    "react-hot-toast": "^2.4.1",
+    "lucide-react": "^0.390.0",
+    "clsx": "^2.1.1",
+    "tailwind-merge": "^2.3.0",
+    "date-fns": "^3.6.0"
+  },
+  "devDependencies": {
+    "@types/react": "^18.3.3",
+    "@types/react-dom": "^18.3.0",
+    "@vitejs/plugin-react": "^4.3.0",
+    "typescript": "^5.4.5",
+    "vite": "^5.2.12",
+    "tailwindcss": "^3.4.4",
+    "postcss": "^8.4.38",
+    "autoprefixer": "^10.4.19",
+    "eslint": "^9.4.0"
+  }
+}