v0.45.0

description configurable @pen-pal (#170)

This PR is to make sure description of replication group is configurable.

what

• The deployment fails if module "this" as per example in README.md is not defined in local

why

• Should be able to configure description on my own without specifying any new modules.

references

• Resolves bug
• Use closes #169 , if this PR closes a GitHub issue #169