To add a menu to the top of your website, you should add a setting to your base's settings
sheet:
Setting name: main menu
The value for that setting should look as follows:
menu text:link
link
part of a menu item can point to:
Contact Us:https://goog.gl/azYPrd
Contact Us:#my-section
Contact Us:Contact
When pointing to a section or a page within your own website, you should refer the section id or pagename as you entered
in the content
sheet.
The following setting:
Tour:#tour Features:#features Request feature: https://goo.gl/CsSCs5
Looks like this on your website: