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/worker-gpu/Dockerfile

@@ -0,0 +1,30 @@
+FROM nvidia/cuda:12.1.0-cudnn8-runtime-ubuntu22.04
+
+# Установить Python 3.11
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    python3.11 \
+    python3.11-dev \
+    python3-pip \
+    python3.11-distutils \
+    gcc \
+    g++ \
+    libpq-dev \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Сделать python3.11 дефолтным
+RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 && \
+    update-alternatives --install /usr/bin/python python python3.11 1 && \
+    python3.11 -m pip install --upgrade pip
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+# Директория для FAISS индекса (монтируется как volume)
+RUN mkdir -p /data/index
+
+CMD ["celery", "-A", "app.celery_app", "worker", "-Q", "queue.gpu", "-c", "1", "-n", "gpu@%h", "--loglevel=info"]