# NYDST Backend

## Installation
1. Copy `.env.example` → `.env` and configure DB.
2. Install dependencies:
   npm install
3. Start server:
   npm run dev

## API Endpoints
- GET    /api/categories
- POST   /api/categories
- GET    /api/site-parameters
- POST   /api/site-parameters
- GET    /api/inputs
- POST   /api/inputs
- GET    /api/hierarchy