Improve forms, add helper buttons on add session form

games/templates/add.html

@@ -10,13 +10,9 @@
 
         {{ form.as_table }}
         <tr>
+            <td></td>
             <td><input type="submit" value="Submit"/></td>
         </tr>
         </table>
     </form>
 {% endblock content %}
-{% block scripts %}
-    {% if script_name %}
-        <script type="module" src="{% static 'js/'|add:script_name %}"></script>
-    {% endif %}
-{% endblock scripts %}