Update readme.md

Author: Owen-oj

readme.md

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 This package is a wrapper around *james-heinrich/getid3*.<br>
 
+[!["Buy Me A Coffee"](https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png)](https://www.buymeacoffee.com/kkoj)
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 ## Installation
 
 Via Composer