Update support doc with preview terms of use

Author: AlexJerabek

SUPPORT.md

@@ -9,3 +9,9 @@ feature request as a new Issue.
 ## Microsoft Support Policy  
 
 Python in Excel is in Public Preview available through the [Microsoft 365 Insiders program](https://insider.microsoft365.com/en-us/faq)
+
+## Preview terms of use
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+If you have a Microsoft 365 Family or Personal subscription, your use of this preview is governed by the [Microsoft Services Agreement](https://www.microsoft.com/servicesagreement/).
+
+If you have a Microsoft 365 Business/Education subscription, your use of this preview is governed by the [Product Terms](https://www.microsoft.com/licensing/terms/product/ForOnlineServices/MCA#:~:text=Product%20(if%20any).-,Previews,-PREVIEWS%20ARE%20PROVIDED). Also, please note that notwithstanding the limitations in the Preview provision of the [Microsoft Products and Services Data Protection Addendum (DPA)](https://www.microsoft.com/licensing/docs/view/Microsoft-Products-and-Services-Data-Protection-Addendum-DPA#:~:text=Microsoft%20Products%20and%20Services%20Data%20Protection%20Addendum%20%28DPA%29,to%20the%20Product%20Terms%20site%20%28and%20formerly%20OST%29.), the following terms in the DPA apply to this preview: Processing of Personal Data, GDPR, and Data Security.