update buttons, migrate teplates

shared/templates/styleguide2/includes/atoms/buttons/round_button_small.html

 {% extends 'styleguide2/includes/atoms/buttons/round_button.html' %}
 
-{% block size_classes %}text-sm pl-7 pr-2 py-2{% endblock %}
+{% block size_classes %}
+  text-sm pl-7 pr-2 py-2
+{% endblock %}

shared/templates/styleguide2/includes/molecules/articles/small_article_preview.html

@@ -12,6 +12,6 @@
       </h4>
     </div>
 
-    {% include 'styleguide2/includes/atoms/buttons/round_button_small.html' with text='Číst dále' %}
+    {% include 'styleguide2/includes/atoms/buttons/round_button_small.html' with show_arrow_on_hover=True text='Číst dále' %}
   </div>
 </div>

shared/templates/styleguide2/includes/molecules/contact/contact_person_large_box.html

@@ -56,7 +56,7 @@
 
         {% if url %}
           <div class="flex mt-5">
-            {% include 'styleguide2/includes/atoms/buttons/round_button_small.html' with url=url button_text='Detail osoby' %}
+            {% include 'styleguide2/includes/atoms/buttons/round_button_small.html' with url=url text='Detail osoby' show_arrow_on_hover=True %}
           </div>
         {% endif %}
       </div>