add possibility to generate filter/order elements, with only search box

for now

src/Bundle/ChillMainBundle/Resources/views/CRUD/_index.html.twig

@@ -4,6 +4,12 @@
 <h1>{{ ('crud.' ~ crud_name ~ '.index.title')|trans({'%crud_name%': crud_name}) }}</h1>
 {% endblock index_header %}
 
+{% block filter_order %}
+    {% if filter_order is not null %}
+        {{ filter_order|chill_render_filter_order_helper }}
+    {% endif %}
+{% endblock %}
+
 {% if entities|length == 0 %}
     {% block no_existing_entities %}
     <p>{{ no_existing_entities_sentences|default('No entities')|trans }}</p>

src/Bundle/ChillMainBundle/Resources/views/FilterOrder/base.html.twig

@@ -0,0 +1,12 @@
+{{ form_start(form) }}
+    <div class="chill_filter_order container">
+        <div class="row">
+          <div class="col-md-12">
+              <div class="input-group mb-3">
+                  {{ form_widget(form.q)}}
+                  <button type="submit" class="btn btn-chill-l-gray"><i class="fa fa-search"></i></button>
+              </div>
+          </div>
+        </div>
+    </div>
+{{ form_end(form) }}