Initial commit: virtual art gallery application.

Express API with PostgreSQL, React/Vite/Three.js frontend, and locally cached artwork images.

Co-authored-by: Cursor <cursoragent@cursor.com>

README.md

@@ -0,0 +1,42 @@
+# Art Gallery
+
+Interactive virtual art gallery: zoomable historical timeline, art movement bands, 3D navigable gallery halls, and painting influence graphs.
+
+## Stack
+
+- **Backend:** Node.js, Express, PostgreSQL
+- **Frontend:** React, Vite, Three.js (`@react-three/fiber`, `@react-three/drei`)
+
+## Setup
+
+1. Copy `.env.example` to `.env` and set database credentials.
+2. Install dependencies:
+
+   ```bash
+   npm install
+   cd client && npm install && cd ..
+   ```
+
+3. Apply database schema (requires PostgreSQL superuser for first-time setup):
+
+   ```bash
+   npm run migrate
+   npm run seed
+   ```
+
+4. Start the server:
+
+   ```bash
+   npm run server
+   ```
+
+   Open http://localhost:3001
+
+## Development
+
+Run API and Vite dev server separately:
+
+```bash
+npm run dev:server   # http://localhost:3001
+npm run dev:client   # http://localhost:5173 (proxies /api and /images)
+```