feature(main): add readme

Signed-off-by: cuisongliu <[email protected]>

README.md

@@ -1 +1,58 @@
-# sreg
+# sreg - Sealos Registry Tool
+
+sreg is a tool focused on managing Sealos registry. Its goal is to provide a solution that doesn't rely on buildah, allowing for more flexible image management and support for Sealos deployments.
+
+## Installation
+
+You can install sreg by following these steps:
+
+1. Download the latest version of the sreg release package for your operating system: [sreg](https://github.com/labring/sreg/releases)
+
+2. Extract the downloaded release package:
+   ```sh
+   tar -xzf sreg_0.1.1_linux_amd64.tar.gz
+   ```
+
+3. Move the extracted executable to your PATH for global access:
+   ```sh
+   sudo mv sreg /usr/local/bin/
+   ```
+
+## Usage
+
+### Save an Image to a Local File
+```sh
+sreg save --registry-dir=/tmp/registry1 my-context
+```
+
+### Start a Filesystem Image Repository Service
+```sh
+sreg serve filesystem --port=5000
+```
+
+### Start an In-Memory Image Repository Service
+```sh
+sreg serve inmem --port=5000
+```
+
+### Sync an Image to a Different Repository
+```sh
+sreg sync source-image dst
+```
+
+### Copy an Image to a Different Repository
+```sh
+sreg copy source-image dst
+```
+
+## Building Your Own Version
+
+If you wish to build your own version of sreg, you can use [goreleaser](https://goreleaser.com/) for building. Use the following command to build:
+
+```sh
+goreleaser build --snapshot --timeout=1h --rm-dist
+```
+
+## Why Choose sreg?
+
+sreg's development aims to meet the need for image repository management in Sealos deployments without relying on buildah. It offers a more flexible and secure image management approach. Whether you require stricter image security or more controlled image distribution, sreg is an ideal choice.

README_zh.md

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+# sreg - Sealos 镜像仓库工具
+
+sreg 是一个专注于 Sealos 镜像仓库管理的工具，它的目标是提供一个不依赖于 buildah 的解决方案，以便更灵活地管理镜像，并为 Sealos 部署提供支持。
+
+## 安装
+
+您可以通过以下步骤来安装 sreg：
+
+1. 下载适用于您的操作系统的最新版本 sreg 发布包：[sreg](https://github.com/labring/sreg/releases)
+
+2. 解压下载的发布包：
+   ```sh
+   tar -xzf sreg_0.1.1_linux_amd64.tar.gz
+   ```
+
+3. 将解压后的可执行文件移动到您的 PATH 中，以使其可以全局访问：
+   ```sh
+   sudo mv sreg /usr/local/bin/
+   ```
+
+## 使用方法
+
+### 保存镜像到本地文件
+```sh
+sreg save --registry-dir=/tmp/registry1 my-context
+```
+
+### 启动文件系统镜像仓库服务
+```sh
+sreg serve filesystem --port=5000
+```
+
+### 启动内存中的镜像仓库服务
+```sh
+sreg serve inmem --port=5000
+```
+
+### 同步镜像到不同仓库
+```sh
+sreg sync source-image dst
+```
+
+### 复制镜像到不同仓库
+```sh
+sreg copy source-image dst
+```
+
+## 构建自己的版本
+
+如果您希望构建自己的 sreg 版本，您可以使用 [goreleaser](https://goreleaser.com/) 进行构建。使用以下命令进行构建：
+
+```sh
+goreleaser build --snapshot --timeout=1h --rm-dist
+```
+
+## 为什么选择 sreg？
+
+sreg 的开发旨在满足在 Sealos 部署中无需依赖 buildah 的镜像仓库需求，提供了更灵活和安全的镜像管理方式。无论您需要更严格的镜像安全性还是更受控的镜像分发，sreg 都是理想的选择。