docs: update README.md

Author: ChrisUser

README.md

@@ -1,7 +1,5 @@
 # react-basic-contenteditable
 
-<div style="align:center;">
-    ![React Content Editable](readme-header-img.png)
-</div>
+![React Content Editable](readme-header-img.png)
 
 A React component that allows you to create an editable area in your application. It's perfect for situations where you need to provide a user-friendly, in-place editing functionality.