Add CSS reset comment in index.html

Added a comment to reset CSS styles.

index.html

@@ -7,6 +7,7 @@
     <link rel="icon" type="image/png" href="images/logo.png">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
     <style>
+        /* I'm resetting everything here so I don't have to fight the browser's default margins */
         * {
             margin: 0;
             padding: 0;