feat(shared): add cert-manager for tls certificate creation

[suvajit-sarkar]

Description

As a developer I want to add cert-manger for creation of tls proxy certificates so that it simplifies the process of obtaining, renewing and using certificates.

https://cert-manager.io Explore cert-manager and the issuer to be used for bevel network env proxy tls certificates. SelfSigned issuer is the current suggestion

Acceptance Criteria

1. Add code to obtain and use cert-manager created certificates