Add FAQ to HubSpot destination doc (#3968)

* Update index.md

Added a new topic to the Troubleshooting section "I Don't See My Data In HubSpot"

* Update src/connections/destinations/catalog/hubspot/index.md

Co-authored-by: markzegarelli <[email protected]>

Author: prigiattiperrut

src/connections/destinations/catalog/hubspot/index.md

@@ -172,6 +172,11 @@ Segment can send the following group traits to HubSpot as special properties:
 
 ## Troubleshooting
 
+
+### I Don't See My Data In HubSpot
+
+If you don't see your data in HubSpot, verify the HubSpot configuration in your Segment workspace. If you've selected the **Enable HubSpot SDK for EU** option, confirm with HubSpot that your HubSpot account is enabled for EU data residency.
+
 ### API Call Limits
 
 HubSpot limits the total amount of hourly and daily requests Segment can make to their API on your behalf. See HubSpot's [API Usage Guidelines](https://developers.hubspot.com/apps/api_guidelines){:target="_blank"} for more information.