Update component page template to add "Testing" section

docs/_includes/component.njk

@@ -80,6 +80,13 @@
     <h2>Usage</h2>
     <div id="guidelines-content">{{ guidelines | markdown | safe }}</div>
   {% endif %}
+  {# Testing #}
+  {% if
+  testing %}
+    <h2>Testing</h2>
+    <div id="testing-content">{{ testing | markdown | safe }}</div>
+  {% endif %}
+
   {# Importing #}
   {# <h2>Importing</h2>
   <p>

docs/assets/styles/docs.css

@@ -501,9 +501,9 @@ code {
   padding: 0.125rem 0.5rem;
 }
 
-.sl-theme-dark code {
+/* .sl-theme-dark code {
   background-color: rgba(255 255 255 / 0.03);
-}
+} */
 
 kbd {
   background: var(--sl-color-neutral-100);