Refine interactive layout and content

- Center cards in one-by-one mode.
- Remove global header/footer from interactive pages.
- Fix "School Connect" text on data structures page.
- Remove binary representation interactive from data structures list.

src/pages/theme-pages/DataStructures.tsx

@@ -1,15 +1,13 @@
-import Layout from "@/components/Layout";
 import InteractiveGallery from "@/components/InteractiveGallery";
+
 const DataStructures = () => {
-  return <Layout>
-      <div className="space-y-8">
-        <div className="text-center">
-          
-          
-        </div>
-        
+  return (
+    <div className="min-h-screen bg-background">
+      <div className="max-w-7xl mx-auto p-6">
         <InteractiveGallery />
       </div>
-    </Layout>;
+    </div>
+  );
 };
+
 export default DataStructures;