docs: fix navbar configuration (#1451)

aviator-app[bot] · web-flow · commit 15a70e6b6fe5 · 2024-08-20T12:35:39.000Z
diff --git a/_pkgdown.yml b/_pkgdown.yml
@@ -3,15 +3,10 @@ url: https://r.igraph.org/
 template:
   bootstrap: 5
 
-
 navbar:
   structure:
-    left:
-    - intro
-    - reference
-    - news
-    - articles
-    right: github
+    left:  [intro, reference, articles, tutorials, news]
+    right: [search, github, lightswitch]
   components:
     intro:
       text: Get started
