Add Ukrainian translation #267 Thanks @antonkryvko

Author: thedaviddias

README.md

@@ -690,6 +690,7 @@ The Front-End Checklist is also available in other languages. Thanks for all tra
 * 🇷🇺 Russian: [ungear/Front-End-Checklist](https://github.com/ungear/Front-End-Checklist)
 * 🇹🇷 Turkish: [eraycetinay/Front-End-Checklist](https://github.com/eraycetinay/Front-End-Checklist)
 * 🇩🇪 German: [xfuture603/Front-End-Checklist](https://github.com/xFuture603/Front-End-Checklist)
+* 🇺🇦 Ukrainian: [antonkryvko/Front-End-Checklist](https://github.com/antonkryvko/Front-End-Checklist)
 
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