feat(reset): added a name validator

app/ui/templates/reset.html

@@ -2,13 +2,13 @@
 
 {% block main_block %}
     <div class="row col-md" id="reset-form">
-        {% for field, errors in form.errors.items() %}
-        {{ ', '.join(errors) }}
-        {% endfor %}
         <form method="post">
             {{ form.csrf_token() }}
             <div class="form-group">
                 {{ form.username.label }}
+                <div id="username-msg">
+                    The username can contain at most 64 characters and cannot contain one of the following characters : [*?!'^+%&/()=}{$#;,\"
+                </div>
                 {{ form.username(class="form-control") }}
             </div>
             <div class="form-group">
@@ -36,7 +36,7 @@
                 {{ form.confirm_password(class="form-control") }}
             </div>
             <br>
-            <div class="form-group" style="text-align: center; margin-bottom: 0.40em">
+            <div class="form-group" style="text-align: center; margin-bottom: 0.40em" disabled=true>
                 {{ form.submit(class="btn btn-primary")}}
             </div>
         </form>