[Enhancement][opensearch] how to use pre created corporate certificates for https

[cloud-66]

Is your feature request related to a problem? Please describe.
Ability to use pre created corporate certificates, because of security requirements.

Describe the solution you'd like
Put your certificates into some folder, playbook will be using it during opensearch installation

[Divyaasm]

Please let us know if you are interested to contribute.

[peterzhuamazon]

Hi @cloud-66 have you considering setting up a load balancer in front of your cluster, and deploy the corporate certs on that?

Thanks.