CleverTap anonymous ID behaviour with AJS connection modes (#3899)

* Update index.md

* Formatting

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

Author: vanand17

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

@@ -27,6 +27,11 @@ When you identify a user, Segment passes that user's information to CleverTap wi
 
 All other traits will be sent to CleverTap as custom attributes. The default logic will lower case and snake_case any user traits - custom or special - passed to CleverTap.
 
+
+> info ""
+> In cloud mode CleverTap uses Segment anononymous ID as the CleverTap ID
+> In device mode, CleverTap ignores the anonymous ID and CleverTap injects it's own ID
+
 ## Alias
 
 > warning ""