Add title to new group page

lib/frenzy_web/templates/group/new.html.eex

@@ -1,3 +1,5 @@
+<h1>New Group</h1>
+
 <%= form_for @changeset, Routes.group_path(@conn, :create), fn form -> %>
   <div class="form-group row">
     <label for="title" class="col-sm-2 col-form-label">Title</label>
@@ -10,4 +12,4 @@
       <%= submit "Create Group", class: "btn btn-primary" %>
     </div>
   </div>
-<% end %>
+<% end %>