added hackathon date

Author: jooj99

hackathon/index.html

@@ -9,7 +9,7 @@
 <div class="position-relative p-4 p-md-5 m-md-3 text-center rounded-3 border top-bar" style="background-color: #313131;">
   <div class="col-md-5 p-lg-5 mx-auto my-7">
     <h1 class="display-1 fw-bold" style="color: #FC4C3D;"><b>Hoosier Hacks 6.0</b></h1>
-    <p class="lead fw-normal text-white">Build, Code, Innovate</p>
+    <p class="lead fw-normal text-white">Build, Code, Innovate - October 25th, 2025</p>
   </div>
 
   <!-- prettier-ignore -->