Update zensical.toml

Author: qwertygc

zensical.toml

@@ -159,7 +159,8 @@ features = [
   "navigation.expand",
   "navigation.tabs",
   "navigation.path",  
-  "navigation.indexes",  
+  "navigation.indexes",
+  "toc.follow",
   "toc.integrate",  
   "search.highlight",  
   "navigation.tabs",