style: format code with Prettier

This commit fixes the style issues introduced in 2ccb24f according to the output
from Prettier.

Details: None

Author: deepsource-autofix[bot]

README.md

@@ -258,6 +258,7 @@ from <a href="https://gitpod.io/#https://github.com/chintan9/plyr-react" title="
 If you like the project and want to support my work, give star ⭐ or fork it.
 
 ## Showcase
+
 Is your company using plyr-react in production? We'd love to feature you!
 Create PR and to submit your site or logo here.