fix: corrected typo 'Lenis is Use' to 'Lenis in Use' in README (#472)

Author: Peterkhalko

README.md

@@ -27,7 +27,7 @@ Read our [Manifesto](https://github.com/darkroomengineering/lenis/blob/main/MANI
 - [Troubleshooting](#troubleshooting)
 - [Tutorials](#tutorials)
 - [Plugins](#plugins)
-- [Lenis is Use](#lenis-in-use)
+- [Lenis in Use](#lenis-in-use)
 - [License](#license)
 
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