added link to detail major template

roomlist/accounts/templates/list_majors.html

@@ -21,7 +21,7 @@
       <div class="row">
       {% for major in letter.list %}
           <div class="col-md-6 text-center">
-            <a href="#" class="btn btn-primary btn-lg btn-block">{{ major.name }}</a>
+            <a href="{{ major.get_absolute_url }}" class="btn btn-primary btn-lg btn-block">{{ major.name }}</a>
           </div>
         {% if forloop.counter|divisibleby:2 %}
         </div>