How to confiure chart's x axis labels?
<p>I have a ui.chart with a big dataset where a needed value depends on a day of the month. </p>

<p>What I want to do is to configure xAxis to show the label only for the first day of the month. Something like</p>

<p><a href="https://i.stack.imgur.com/8h95Q.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/8h95Q.png" alt="enter image description here"></a></p>

<p>Is it possible to configure the chart such way? Here's a code of my configuration: <a href="http://webix.com/snippet/44abd3aa" rel="nofollow noreferrer">http://webix.com/snippet/44abd3aa</a></p>