Certificate Generate Code Duplicated in Repo

[mathisonryan]

Description of the issue:

The certificate generator code is duplicated in both quick start guides

https://github.com/DBOMproject/deployments/tree/2.0.0-alpha-1/docker-compose-quickstart/config/certificate_generator

https://github.com/DBOMproject/deployments/tree/2.0.0-alpha-1/docker-compose-example-two-nodes/certificate_generator

These should be consolidated

Submitting a pull request?

Are you willing to submit a pull request to solve this issue? (Yes/No): Yes