Setup identity verifiction for intercom

[0xtuytuy]

Describe the bug
Today there is no HMAC identity verification on our webapp. This could lead to some someone viewing the conversation of some of our customers.

To Reproduce
Undisclosed on here to avoid black hats

Expected behavior
There should be no way fo an unauthorized server to view the conversation we have with a customer.

Screenshots
NA

Desktop (please complete the following information):
NA

Smartphone (please complete the following information):
NA

Additional context
This can be fixed by implementing the following checks: https://developers.intercom.com/installing-intercom/docs/enable-identity-verification-on-your-web-product