feat: update TableOfContents component for improved heading indentation and add new post "Qui Sumus"

components/table-of-contents.tsx

@@ -43,7 +43,7 @@ export default function TableOfContents({ headings }: TableOfContentsProps) {
         {headings.map(({ slug, text, level }) => (
           <li
             key={slug}
-            className={level === 3 ? "pl-3" : ""}
+            className={level === 3 ? "pl-6" : level === 2 ? "pl-3" : ""}
           >
             <a
               href={`#${slug}`}