update doc

README.md

@@ -8,6 +8,7 @@
 [![](https://img.shields.io/badge/platform-macos%20%7C%20linux%20%7C%20windows-brightgreen.svg)](https://github.com/viest/php-ext-xlswriter)
 [![](https://img.shields.io/badge/license-BSD-green.svg)](https://github.com/viest/php-ext-xlswriter)
 [![](https://img.shields.io/github/issues/viest/php-ext-excel-export.svg)](https://github.com/viest/php-ext-xlswriter)
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fviest%2Fphp-ext-xlswriter.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fviest%2Fphp-ext-xlswriter?ref=badge_shield)
 
 #### Why use xlswriter
 
@@ -64,7 +65,6 @@ Test environment: Macbook Pro 13 inch, Intel Core i5, 16GB 2133MHz LPDDR3 Memory
 #### PECL Repository
 
 [![pecl](resource/pecl.png)](https://pecl.php.net/package/xlswriter)
-[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fviest%2Fphp-ext-xlswriter.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fviest%2Fphp-ext-xlswriter?ref=badge_shield)
 
 #### Exchange group