Add code to change the docs link on the navbar

Author: karan925

changeDocsLink.js

@@ -0,0 +1,7 @@
+document.addEventListener("DOMContentLoaded", function () {
+    const navbarDocsLink = document.querySelector('.navbar__item[href="/"]');
+
+    if (navbarDocsLink && window.location.hostname === "blog.coderabbit.ai") {
+        navbarDocsLink.setAttribute("href", "https://docs.coderabbit.ai");
+    }
+});