Ability to pull report on usage for template
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### Proposal
Currently, there is reporting on how useful [a description template](https://docs.gitlab.com/ee/user/project/description_templates.html) is in a project. We cannot get the reporting through API because Gitlab does not track usage for templates.
Customer needs the ability to track how many times a template is used to understand which template is useful, and which one need work. This will help fine-tune their process.
issue