question

Hi @cyhorn-7565
1.You could Create a site script JSON Schema of required actions as per Microsoft Site design schema reference.
2.Then use PowerShell script to create a site script and site design. You can create up to 100 site scripts and 100 site designs per tenant.
3.Now, you can use this site design either to new sites or you can apply it on existing sites.

For more information about creating site design and site scripts using PowerShell, you could refer to:
https://www.sharepointdiary.com/2019/10/sharepoint-online-site-design-and-site-scripts.html

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