Fix XML attrbute highlighting.

Author: SimY4

src/main/templates/alabaster.pebble

@@ -447,6 +447,7 @@
       <value>
 {% block "string" %}
     {% if bg %}
+        <option name="FOREGROUND" value="{{ text }}" />
         <option name="BACKGROUND" value="{{ light ? "e5fad7" : "95CB82" }}" />
     {% else %}
         <option name="FOREGROUND" value="{{ light ? "448c27" : "95CB82" }}" />