Add issue template
Note that it's not possible to set a default template without paying for GitLab Starter: https://docs.gitlab.com/ee/user/project/description_templates.html#setting-a-default-template-for-issues-and-merge-requests
Note that it's not possible to set a default template without paying for GitLab Starter: https://docs.gitlab.com/ee/user/project/description_templates.html#setting-a-default-template-for-issues-and-merge-requests