chore: add missing READMEs

builds/io-paint/README.md

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+# IOPaint (Lama Cleaner)
+
+[English](./README.md) | [中文](./README.zh.md)
+
+IOPaint (formerly LaMa Cleaner) is a free and open-source inpainting & outpainting tool powered by SOTA AI model.
+
+## Prerequisites
+
+- NVIDIA GPU with CUDA support
+- Docker with NVIDIA runtime support
+
+## Initialization
+
+1. Copy the example environment file:
+
+   ```bash
+   cp .env.example .env
+   ```
+
+2. Start the service:
+
+   ```bash
+   docker compose up -d
+   ```
+
+3. Access the web interface at <http://localhost:8080>
+
+## Services
+
+- `iopaint`: The IOPaint service.
+
+## Configuration
+
+The service runs on port 8080 and uses CUDA device 0 by default.
+
+| Variable          | Description                      | Default     |
+| ----------------- | -------------------------------- | ----------- |
+| `DOCKER_REGISTRY` | Docker registry to use           | `docker.io` |
+| `BUILD_VERSION`   | Build version                    | `latest`    |
+| `HF_ENDPOINT`     | Hugging Face endpoint (optional) | -           |
+
+## Models
+
+Models are automatically downloaded and cached in the `./models` directory on first use.
+
+## GPU Support
+
+This configuration requires an NVIDIA GPU and uses CUDA device 0. Make sure you have:
+
+- NVIDIA drivers installed
+- Docker with NVIDIA runtime support
+- nvidia-docker2 package installed
+
+## Reference
+
+- [Dockerfile](https://github.com/Sanster/IOPaint/blob/main/docker/GPUDockerfile)
+
+## License
+
+Please refer to the official IOPaint project for license information.