use modal to add users in a group

templates/group/group_view.twig

@@ -46,19 +46,19 @@
   {% if group.checkAdmin(session.userId) %}
   <div class="ui modal" id="modal_add_user">
     <div class="header">
-    Add a member
+      Add a member
     </div>
-    <div class="content">
+    <div class="content" style="max-width:90%">
       <div class="description">
         <div class="ui search">
           <div class="ui icon input">
             <input class="prompt" type="text" placeholder="Search users">
             <i class="search icon"></i>
           </div>
-          <div class="results"></div>
+          <div class="results" style="overflow:scroll"></div>
         </div>
-
-        <form method="post" action="/groups/{{group.id}}/add_multiple" id="users-add-form"></form>
+        
+        <form method="post" action="/groups/{{group.id}}/users/add_multiple" id="users-add-form"></form>
       </div>
     </div>
     <div class="actions">
@@ -68,10 +68,8 @@
       </button>
     </div>
   </div>
-
-  <script type="text/javascript" src="/assets/js/users-search.js"></script>
   {% endif %}
 
-</div> 
+<script type="text/javascript" src="/assets/js/users-search.js"></script>
 {% endblock %}