Update index.html

Fixed a broken masked link format

Author: savage4618

layouts/index.html

@@ -60,7 +60,7 @@ <h2 id="quick-links" class="text-center">Quick Links</h2>
             "title" "Learning Resources"
             "icon" "outline/book"
             "content" `
-- [Custom Commands: Simple Responses(/learn/beginner/simple-responses)
+- [Custom Commands: Simple Responses](/learn/beginner/simple-responses)
 - [Custom Commands: Conditional Branching](/learn/beginner/conditional-branching)
 - [Custom Commands: Command Arguments](/learn/beginner/command-arguments)
             ` }}