Fix heading text from 'About Us' to 'About U'

Author: AritraDey-Dev

src/pages/about.js

@@ -6,7 +6,7 @@ function Hello() {
   return (
     <Layout title="About">
       <div className={styles.aboutContainer}>
-        <h1>About Us</h1>
+        <h1>About U</h1>
         <div className={clsx(styles.cardContainer)}>
           {" "}
           <div class={clsx("card-demo", styles.aboutCard)}>