Update name input placeholder and add validation pattern for improved user guidance

Author: TTiamiyu

Form-Controls/index.html

@@ -18,7 +18,8 @@ <h1>My Store T-shirt Sales</h1>
     <form>
       <div>
         <label for="name">Name</label>
-        <input type="text" name="name" id="name" placeholder="Username" required aria-required="true">
+        <input type="text" name="name" id="name" placeholder="First and Last name" required pattern=".*\s+.*"
+          title="Please enter your first and last name, separated by a space">
       </div>
 
       <div>