Added document report for vr-classroom, and fixed the index to reflect these changes.

index.html

@@ -101,12 +101,9 @@
                 to be played<br>
                 <a href="https://unity.com/">#unity</a> <a href="https://www.arduino.cc/">#arduino</a></p>
               <div class="columns links">
-                <div class="column is-6">
+                <div class="column is-12">
                   <a href="https://github.com/StereotypicalCat/XR-Rowing-Game"><button class="button"><span class="icon"><i class="fab fa-github"></i></span></button></a>
                 </div>
-                <div class="column is-6">
-                  <a href="https://github.com/StereotypicalCat/XR-Rowing-Game"><button class="button"><span class="icon"><i class="fas fa-graduation-cap"></i></span></button></a>
-                </div>
               </div>
             </div>
           </div>
@@ -163,7 +160,7 @@
                   <a href="https://github.com/StereotypicalCat/vr-classroom-website-api"><button class="button"><span class="icon"><i class="fab fa-github"></i></span></button></a>
                 </div>
                 <div class="column is-6">
-                  <a href="https://github.com/StereotypicalCat/vr-classroom-website-api"><button class="button" data-tooltip="Tooltip Texttttttttttttttt"><span class="icon"><i class="fas fa-graduation-cap"></i></span></button></a>
+                  <a href="./other/Vr-Classroom-Report.pdf"><button class="button"><span class="icon"><i class="fas fa-graduation-cap"></i></span></button></a>
                 </div>
 
               </div>