adding CreateItem method to the comosStore class
- [YES/NO] I have added an explanation of what changes in this merge do and why we should include it?
adding CreateItem method to the comosStore class. Currently we have
upsertItem method which silently creates/ updates entries. There are use cases where we don't want to update but want to throw exception showing this entry was already present.
- [YES/NO] I have updated the documentation accordingly.
- [YES/NO/NA] I have added tests to cover my changes.
- [YES/NO/NA] All new and existing tests passed.
- [YES/NO/NA] My code follows the code style of this project.
- [YES/NO/NA] I ran lint checks locally prior to submission.
What is the issue or story related to the change?
Does this introduce a breaking change?