update readme

README.md

@@ -86,5 +86,9 @@ If you want to know more, please refer to:
 |libuv|||libxml2|||
 |libxml2|||lua|||
 
-Only some packages are shown here. If you want to see a complete list of all packages, please see: [PKGLIST.md](https://github.com/xmake-io/xmake-repo/blob/master/PKGLIST.md)
+Note: Only some packages are shown here.
+
+If you want to see a complete list of all packages, please see: [PKGLIST.md](https://github.com/xmake-io/xmake-repo/blob/master/PKGLIST.md)
+
+We also welcome everyone to contribute some packages to our package repository.🙏 
 

README_zh.md

@@ -89,3 +89,4 @@ xmake-repo是一个官方的xmake包管理仓库，收录了常用的c/c++开发
 
 这里只显示了部分包，如果你想看所有包列表，可以看下：[PKGLIST.md](https://github.com/xmake-io/xmake-repo/blob/master/PKGLIST.md)
 
+我们也非常欢迎大家能够贡献一些进来。🙏