You can add links to the website in the menu by following below steps:
Go to Configure Project
Select Integration Menu.
Add the Name and the URL of a website.
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4. Click Update Integration menu button.
5. Return To Project.
6. Open Any Requirement.
7.Click Menu Tab.
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8. A dropdown will open showing the two Menu Labels.
9. Click on any one of them .
10. The website will open in a new tab.