Move padding to li element for proper text indentation

Co-authored-by: theletterf <[email protected]>

Author: Copilot

src/Elastic.Markdown/Layout/_TableOfContents.cshtml

@@ -34,8 +34,8 @@
 					</a>
 				</li>
 			}
-			<li class="learn-how-to-contribute hidden lg:block lg:not-first:mt-1">
-				<a href="https://www.elastic.co/docs/contribute-docs/" class="link text-xs pl-6" target="_blank">
+			<li class="learn-how-to-contribute hidden lg:block lg:not-first:mt-1 pl-6">
+				<a href="https://www.elastic.co/docs/contribute-docs/" class="link text-xs" target="_blank">
 					Learn how to contribute
 				</a>
 			</li>