Update contact.md

Added {next} at the bottom.

foundation/www/docs/user/manual/en/CRM/contact.md

@@ -45,3 +45,5 @@ Addresses can be entered individually (unlinked)  or linked to customers, leads,
 Linking is done in the reference section where the links can be established.
 
 (Contributed by Robert Becht)
+
+{next}