Merge pull request #61 from stepanzh/60-link-to-beta-version

feat: link to new beta version

Author: stepanzh

templates/index.html

@@ -15,7 +15,9 @@
   {% endif %}
 {% endblock %}
 
-{% block page_nav %}{% endblock %}
+{% block page_nav %}
+<p style="text-align: center;">🎉 Попробуйте <a href="https://stepanzh.github.io/Proportio-beta/" target="_blank">новую версию</a> калькулятора!</p>
+{% endblock %}
 
 {% block page_content %}
   <div id="app" class='surface'>