Added a practice line to README for PR

Author: Komali0706

README.md

@@ -248,3 +248,5 @@ Become a sponsor and get your logo on our website and on our README on Github wi
 <a href="https://opencollective.com/ui-grid/sponsor/27/website" target="_blank"><img src="https://opencollective.com/ui-grid/sponsor/27/avatar.svg"></a>
 <a href="https://opencollective.com/ui-grid/sponsor/28/website" target="_blank"><img src="https://opencollective.com/ui-grid/sponsor/28/avatar.svg"></a>
 <a href="https://opencollective.com/ui-grid/sponsor/29/website" target="_blank"><img src="https://opencollective.com/ui-grid/sponsor/29/avatar.svg"></a>
+## My Practice Change
+This line was added to practice making a pull request and merging it.