Fix navbar for bootstrap 5 so it works when collapsed (e.g., mobile)

Author: kylethayer

addNavBar.js

@@ -11,7 +11,7 @@ $( document ).ready(function() {
 
 	navBarStr += '<nav class="navbar navbar-expand-lg navbar-light bg-light ps-5">';
 	navBarStr += '  <a class="navbar-brand" href="'+rootPath+'index.html">ManyLanguagesManyColors</a>';
-	navBarStr += '  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">';
+	navBarStr += '  <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">';
 	navBarStr += '    <span class="navbar-toggler-icon"></span>';
 	navBarStr += '  </button>';