update readme

CONTRIBUTING.md

@@ -20,6 +20,7 @@ try to follow these guidelines when you do so.
 * Write good commit messages.
 * Use the same coding conventions as the rest of the project.
 * Ensure your edited codes with four spaces instead of TAB.
+* About how to make a package, please see [Create and Submit packages to the official repository](https://xmake.io/#/package/remote_package?id=submit-packages-to-the-official-repository)
 
 # 贡献代码
 
@@ -40,5 +41,6 @@ try to follow these guidelines when you do so.
 * 请使用余工程代码相同的代码规范
 * 确保提交的代码缩进是四个空格，而不是tab
 * 为了规范化提交日志的格式，commit消息，不要用中文，请用英文描述
+* 关于如何制作包，请参看文档：[制作和提交到官方仓库](https://xmake.io/#/zh-cn/package/remote_package?id=%e6%b7%bb%e5%8a%a0%e5%8c%85%e5%88%b0%e4%bb%93%e5%ba%93)
 
 [1]: https://github.com/xmake-io/xmake-repo/issues

README.md

@@ -61,6 +61,8 @@ Write a xmake.lua of new package in `packages/x/xxx/xmake.lua` and push a pull-r
 
 For example, [packages/z/zlib/xmake.lua](https://github.com/xmake-io/xmake-repo/blob/dev/packages/z/zlib/xmake.lua):
 
+If you want to known more, please see: [Create and Submit packages to the official repository](https://xmake.io/#/package/remote_package?id=submit-packages-to-the-official-repository)
+
 ```lua
 package("zlib")
 

README_zh.md

@@ -61,6 +61,8 @@ xmake-repo是一个官方的xmake包管理仓库，收录了常用的c/c++开发
 
 例如：[packages/z/zlib/xmake.lua](https://github.com/xmake-io/xmake-repo/blob/dev/packages/z/zlib/xmake.lua):
 
+关于如何制作包的更详细描述，请参看文档：[制作和提交到官方仓库](https://xmake.io/#/zh-cn/package/remote_package?id=%e6%b7%bb%e5%8a%a0%e5%8c%85%e5%88%b0%e4%bb%93%e5%ba%93)
+
 ```lua
 package("zlib")