#775 fix litepicker not initializing

src/pages/_includes/ui/datepicker.html

@@ -36,8 +36,8 @@
 		window.Litepicker && ({% if jekyll.environment == 'development' %}window.tabler_datepicker["datepicker-{{ id }}"] = {% endif %}new Litepicker({
 			element: document.getElementById('datepicker-{{ id }}'),
 			buttonText: {
-				previousMonth: '{% capture icon %}{% include ui/icon.html icon="chevron-left" %}{% endcapture %}{{ icon | strip }}',
-				nextMonth: '{% capture icon %}{% include ui/icon.html icon="chevron-right" %}{% endcapture %}{{ icon | strip }}',
+				previousMonth: `{% capture icon %}{% include ui/icon.html icon="chevron-left" %}{% endcapture %}{{ icon | strip }}`,
+				nextMonth: `{% capture icon %}{% include ui/icon.html icon="chevron-right" %}{% endcapture %}{{ icon | strip }}`,
 			},
 			{% if include.inline %}inlineMode: true,{% endif %}
 		}));