add button to all events for easier nav

Author: khairahscorner

_includes/featured-events.html

@@ -12,5 +12,8 @@ <h2>Latest Events</h2>
                 {% endfor %}
             </div>
         </div>
+        <div class="mt-5">
+            <a href="/events" class="btn btn-outline-primary">View all events</a>
+        </div>
     </div>
  </div>