Feature/allow token from secret

[dcristobalhMad]

Description

This PR allow to pull the wavefront token from a secret created by your own. Features:

• Implements conditional check in the deployment to pull the key in an external secret or the secret created in the chart.
• Implements a logic to create or not the secret depending on the wavefront token and tokenFromSecret values.

Features

• Allows to use the Gitops paradigm leaving the git secret encrypted for later use by the application.

[dcristobalhMad]

Hi 👋 !
Is it required something else to merge this change?
Thanks!