Add space to hint title (#104)

Author: ColdHeat

templates/challenge.html

@@ -80,7 +80,7 @@ <h3 class="challenge-value text-center">
                     {% else %}
                     <details @toggle="showHint(event)">
                       {% if hint.title %}
-                      <summary>{{ hint.title }}(Cost: {{ hint.cost }} point{{ hint.cost|pluralize }})</summary>
+                      <summary>{{ hint.title }} (Cost: {{ hint.cost }} point{{ hint.cost|pluralize }})</summary>
                       {% else %}
                       <summary>Unlock Hint for {{ hint.cost }} point{{ hint.cost|pluralize }}</summary>
                       {% endif %}