Update placeholder text in input field

Changed the placeholder in the text input to 'i.e. SB-Woodstock(2)' for improved clarity and user guidance.

Author: JohnBacho

index.html

@@ -30,7 +30,7 @@ <h1>VIBES Lab CSV Eye-Tracking Processor</h1>
           type="text"
           id="Text"
           class="text-input"
-          placeholder="SB-Woodstock(2) (defaults to 'Program')"
+          placeholder="i.e. SB-Woodstock(2)"
         />
 
         <p class="note">