docs: add README

imagecreator/README.md

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+# ImageCreator
+
+A full-stack image generation website with user authentication, prompt optimization, and T2I/I2I generation.
+
+## Features
+
+- User authentication (register/login)
+- Prompt optimization using LLM
+- Text-to-Image generation
+- Image-to-Image generation
+- Generation history
+
+## Tech Stack
+
+- **Backend**: FastAPI, SQLAlchemy, PostgreSQL
+- **Frontend**: Vue 3, Naive UI, TailwindCSS
+- **Deployment**: Docker Compose
+
+## Quick Start
+
+### Prerequisites
+
+- Docker & Docker Compose
+- Gemini API key (for image generation)
+
+### Environment Setup
+
+1. Copy `.env.example` to `.env` and configure:
+   ```bash
+   cp .env.example .env
+   ```
+
+2. Edit `.env` and add your API keys:
+   ```
+   GEMINI_API_KEY=your_gemini_api_key
+   SECRET_KEY=your-secret-key
+   ```
+
+### Running with Docker Compose
+
+```bash
+docker-compose up -d
+```
+
+- Frontend: http://localhost:3000
+- Backend API: http://localhost:8000
+- API Docs: http://localhost:8000/docs
+
+## Development
+
+### Backend
+
+```bash
+cd backend
+pip install -r requirements.txt
+uvicorn app.main:app --reload --port 8000
+```
+
+### Frontend
+
+```bash
+cd frontend
+npm install
+npm run dev
+```
+
+## Project Structure
+
+```
+imagecreator/
+├── backend/           # FastAPI backend
+│   ├── app/
+│   │   ├── api/      # API routes
+│   │   ├── core/     # Security, config
+│   │   ├── models/    # Database models
+│   │   ├── schemas/   # Pydantic schemas
+│   │   └── services/   # Business logic
+│   └── tests/
+├── frontend/          # Vue 3 frontend
+│   └── src/
+│       ├── api/      # API clients
+│       ├── views/    # Page components
+│       ├── stores/   # Pinia stores
+│       └── router/   # Vue Router
+└── docker-compose.yml
+```
+
+## License
+
+AGPL-3.0