docs: fix index github link

Author: bennypowers

index.html

@@ -26,7 +26,7 @@
   <header class="logo-bar">
     <button id="hamburger" aria-label="Expand Main Navigation">&#9776;</button>
     <a href="/"><img src="/brand/logo/svg/pfe-icon-white-shaded.svg" alt="" />PatternFly Elements</a>
-    <a id="github-link" href="https://github.com/patternfly/patternfly-elements/tree/main/elements/pfe-accordion">
+    <a id="github-link" href="https://github.com/patternfly/patternfly-elements/">
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512">
         <title>GitHub</title>
         <!-- Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) -->