Separate css & js into text variants

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

assets/js/common/toc.js

@@ -0,0 +1,24 @@
+function tableOfContents() {
+  var elements = document.getElementsByClassName('kg-toggle-card');
+
+  for (var i = 0; i < elements.length; i++) {
+    if (elements[i].querySelector('.kg-toggle-content').hasChildNodes()) continue;
+
+    const div = document.createElement('div');
+    div.className = 'toc';
+    elements[i].querySelector('.kg-toggle-content').appendChild(div);
+
+    tocbot.init({
+      tocSelector: '.toc',
+      contentSelector: '.gh-content',
+      hasInnerContainers: true,
+      headingSelector: 'h1, h2, h3, h4, h5, h6',
+      collapseDepth: 3,
+      ignoreSelector: '.m-submenu-title, .kg-toggle-heading-text',
+    });
+
+    return;
+  }
+}
+
+tableOfContents();