Update readme.md

Author: vikrantnegi

readme.md

@@ -100,3 +100,5 @@ Licensed under the [MIT](https://github.com/vikrantnegi/react-native-animated-lo
 If this project helped you reduce time to develop, please consider buying me a cup of coffee :)
 
 <a href="https://www.buymeacoffee.com/vikrantnegi" target="_blank"><img src="https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png" alt="Buy Me A Coffee" style="height: 41px !important;width: 174px !important;box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;-webkit-box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;" ></a>
+
+[![ko-fi](https://www.ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/E1E6Z0JL)