Add guidance in documentation on how to change the murena.io recovery email
Summary
There is no information in the documentation about changing the recovery email address of a murena cloud account
Description
What is the current behavior?
In the documentation page about the murena cloud account (https://doc.e.foundation/create-a-murena-cloud-account), we don't have any guidance explaning how to change a recovery email
What is the improved behavior?
We add informaiton explaning how a cloud user can change his recovery email
What does it bring?
More clarity for the user and the option to change the recovery email address easily.