Initial setup of frontend and backend

backend/README.md

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+# Nuzlocke Tracker API
+
+Backend API for the Nuzlocke Tracker application, built with FastAPI.
+
+## Development Setup
+
+### Option 1: Docker (Recommended)
+
+From the project root:
+```bash
+docker compose up
+```
+
+This starts the API, frontend, and PostgreSQL database with hot reload enabled.
+
+### Option 2: Local Setup
+
+1. Create and activate virtual environment:
+   ```bash
+   python -m venv .venv
+   source .venv/bin/activate  # On Windows: .venv\Scripts\activate
+   ```
+
+2. Install dependencies:
+   ```bash
+   pip install -e ".[dev]"
+   ```
+
+3. Copy environment file:
+   ```bash
+   cp .env.example .env
+   ```
+
+4. Run the development server:
+   ```bash
+   uvicorn app.main:app --reload --app-dir src
+   ```
+
+The API will be available at http://localhost:8000
+
+## API Documentation
+
+- Swagger UI: http://localhost:8000/docs
+- ReDoc: http://localhost:8000/redoc
+
+## Project Structure
+
+```
+backend/
+├── src/
+│   └── app/
+│       ├── api/          # API routes
+│       ├── core/         # Core configuration
+│       ├── models/       # Database models
+│       ├── schemas/      # Pydantic schemas
+│       └── services/     # Business logic
+├── tests/                # Test files
+├── pyproject.toml        # Project configuration
+└── .env.example          # Example environment variables
+```
+
+## Linting & Formatting
+
+```bash
+ruff check .        # Check for issues
+ruff check . --fix  # Fix auto-fixable issues
+ruff format .       # Format code
+```