Add chromatic to readme

Author: siddharthkp

README.md

@@ -257,3 +257,11 @@ Thanks goes to these wonderful people
 <!-- prettier-ignore-end -->
 
 <!-- ALL-CONTRIBUTORS-LIST:END -->
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+## Thanks
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+<a href="https://www.chromaticqa.com/"><img src="https://cdn-images-1.medium.com/letterbox/147/36/50/50/1*oHHjTjInDOBxIuYHDY2gFA.png?source=logoAvatar-d7276495b101---37816ec27d7a" width="120"/></a>
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+Thanks to [Chromatic](https://www.chromaticqa.com/) for providing the visual testing platform that help us catch unexpected changes on time.